To get assembly_constituency,parliamentary_constituency as a listing of parliamentary_constituency with its assembly_constituencies below it, we can use VIM macro which does the job in a matter of seconds.
i.e
Gummidipoondi (AC-1),Thiruvallur (PC-1)
Ponneri (AC-2),Thiruvallur (PC-1)
Thiruvallur (AC-4),Thiruvallur (PC-1)
Poonamallee (AC-5),Thiruvallur (PC-1)
Avadi (AC-6),Thiruvallur (PC-1)
Madavaram (AC-9),Thiruvallur (PC-1)
Tiruvottiyur (AC-10),Chennai North (PC-2)
Dr.Radhakrishnan Nagar (AC-11),Chennai North (PC-2)
Perambur (AC-12),Chennai North (PC-2)
Kolathur (AC-13),Chennai North (PC-2)
Thiru-Vi-Ka Nagar (AC-15),Chennai North (PC-2)
Royapuram (AC-17),Chennai North (PC-2)
Virugampakkam (AC-22),Chennai South (PC-3)
Saidapet (AC-23),Chennai South (PC-3)
Thiyagarayanagar (AC-24),Chennai South (PC-3)
Mylapore (AC-25),Chennai South (PC-3)
Velachery (AC-26),Chennai South (PC-3)
Sholinganallur (AC-27),Chennai South (PC-3)
Villivakkam (AC-14),Chennai Central (PC-4)
Egmore (AC-16),Chennai Central (PC-4)
Harbour (AC-18),Chennai Central (PC-4)
Chepauk-Thiruvallikeni (AC-19),Chennai Central (PC-4)
Thousand Lights (AC-20),Chennai Central (PC-4)
Anna Nagar (AC-21),Chennai Central (PC-4)
Maduravoyal (AC-7),Sriperumbudur (PC-5)
Ambattur (AC-8),Sriperumbudur (PC-5)
Alandur (AC-28),Sriperumbudur (PC-5)
Sriperumbudur (AC-29),Sriperumbudur (PC-5)
Pallavaram (AC-30),Sriperumbudur (PC-5)
Tambaram (AC-31),Sriperumbudur (PC-5)
Chengalpattu (AC-32),Kancheepuram (PC-6)
Thiruporur (AC-33),Kancheepuram (PC-6)
Cheyyur (AC-34),Kancheepuram (PC-6)
Madurantakam (AC-35),Kancheepuram (PC-6)
Uthiramerur (AC-36),Kancheepuram (PC-6)
Kancheepuram (AC-37),Kancheepuram (PC-6)
Tiruttani (AC-3),Arakkonam (PC-7)
Arakkonam (AC-38),Arakkonam (PC-7)
Sholingur (AC-39),Arakkonam (PC-7)
Katpadi (AC-40),Arakkonam (PC-7)
Ranipet (AC-41),Arakkonam (PC-7)
Arcot (AC-42),Arakkonam (PC-7)
Vellore (AC-43),Vellore (PC-8)
Anaikattu (AC-44),Vellore (PC-8)
Kilvaithinankuppam (AC-45),Vellore (PC-8)
Gudiyattam (AC-46),Vellore (PC-8)
Vaniyambadi (AC-47),Vellore (PC-8)
Ambur (AC-48),Vellore (PC-8)
Uthangarai (AC-51),Krishnagiri (PC-9)
Bargur (AC-52),Krishnagiri (PC-9)
Krishnagiri (AC-53),Krishnagiri (PC-9)
Veppanahalli (AC-54),Krishnagiri (PC-9)
Hosur (AC-55),Krishnagiri (PC-9)
Thalli (AC-56),Krishnagiri (PC-9)
Palacodu (AC-57),Dharmapuri (PC-10)
Pennagaram (AC-58),Dharmapuri (PC-10)
Dharmapuri (AC-59),Dharmapuri (PC-10)
Pappireddippatti (AC-60),Dharmapuri (PC-10)
Harur (AC-61),Dharmapuri (PC-10)
Mettur (AC-85),Dharmapuri (PC-10)
Jolarpet (AC-49),Tiruvannamalai (PC-11)
Tiruppattur (AC-50),Tiruvannamalai (PC-11)
Chengam (AC-62),Tiruvannamalai (PC-11)
Tiruvannamalai (AC-63),Tiruvannamalai (PC-11)
Kilpennathur (AC-64),Tiruvannamalai (PC-11)
Kalasapakkam (AC-65),Tiruvannamalai (PC-11)
Polur (AC-66),Arni (PC-12)
Arani (AC-67),Arni (PC-12)
Cheyyar (AC-68),Arni (PC-12)
Vandavasi (AC-69),Arni (PC-12)
Gingee (AC-70),Arni (PC-12)
Mailam (AC-71),Arni (PC-12)
Tindivanam (AC-72),Viluppuram (PC-13)
Vanur (AC-73),Viluppuram (PC-13)
Viluppuram (AC-74),Viluppuram (PC-13)
Vikravandi (AC-75),Viluppuram (PC-13)
Thirukoilur (AC-76),Viluppuram (PC-13)
Ulundurpettai (AC-77),Viluppuram (PC-13)
Rishivandiyam (AC-78),Kallakuruchi (PC-14)
Sankarapuram (AC-79),Kallakuruchi (PC-14)
Kallakurichi (AC-80),Kallakuruchi (PC-14)
Gangavalli (AC-81),Kallakuruchi (PC-14)
Attur (AC-82),Kallakuruchi (PC-14)
Yercaud (AC-83),Kallakuruchi (PC-14)
Omalur (AC-84),Salem (PC-15)
Edappadi (AC-86),Salem (PC-15)
Salem West (AC-88),Salem (PC-15)
Salem North (AC-89),Salem (PC-15)
Salem South (AC-90),Salem (PC-15)
Veerapandi (AC-91),Salem (PC-15)
Sankari (AC-87),Namakkal (PC-16)
Rasipuram (AC-92),Namakkal (PC-16)
Senthamangalam (AC-93),Namakkal (PC-16)
Namakkal (AC-94),Namakkal (PC-16)
Paramathi-Velur (AC-95),Namakkal (PC-16)
Tiruchengodu (AC-96),Namakkal (PC-16)
Kumarapalayam (AC-97),Erode (PC-17)
Erode East (AC-98),Erode (PC-17)
Erode West (AC-99),Erode (PC-17)
Modakurichi (AC-100),Erode (PC-17)
Dharapuram (AC-101),Erode (PC-17)
Kangayam (AC-102),Erode (PC-17)
Perundurai (AC-103),Tiruppur (PC-18)
Bhavani (AC-104),Tiruppur (PC-18)
Anthiyur (AC-105),Tiruppur (PC-18)
Gobichettipalayam (AC-106),Tiruppur (PC-18)
Tiruppur North (AC-113),Tiruppur (PC-18)
Tiruppur South (AC-114),Tiruppur (PC-18)
Bhavanisagar (AC-107),The Nilgiris (PC-19)
Udhagamandalam (AC-108),The Nilgiris (PC-19)
Gudalur (AC-109),The Nilgiris (PC-19)
Coonoor (AC-110),The Nilgiris (PC-19)
Mettuppalayam (AC-111),The Nilgiris (PC-19)
Avanashi (AC-112),The Nilgiris (PC-19)
Palladam (AC-115),Coimbatore (PC-20)
Sulur (AC-116),Coimbatore (PC-20)
Kavundampalayam (AC-117),Coimbatore (PC-20)
Coimbatore North (AC-118),Coimbatore (PC-20)
Coimbatore South (AC-120),Coimbatore (PC-20)
Singanallur (AC-121),Coimbatore (PC-20)
Thondamuthur (AC-119),Pollachi (PC-21)
Kinathukadavu (AC-122),Pollachi (PC-21)
Pollachi (AC-123),Pollachi (PC-21)
Valparai (AC-124),Pollachi (PC-21)
Udumalaipettai (AC-125),Pollachi (PC-21)
Madathukulam (AC-126),Pollachi (PC-21)
Palani (AC-127),Dindigul (PC-22)
Oddanchatram (AC-128),Dindigul (PC-22)
Athoor (AC-129),Dindigul (PC-22)
Nilakkottai (AC-130),Dindigul (PC-22)
Natham (AC-131),Dindigul (PC-22)
Dindigul (AC-132),Dindigul (PC-22)
Vedasandur (AC-133),Karur (PC-23)
Aravakurichi (AC-134),Karur (PC-23)
Karur (AC-135),Karur (PC-23)
Krishnarayapuram (AC-136),Karur (PC-23)
Manapparai (AC-138),Karur (PC-23)
Viralimalai (AC-179),Karur (PC-23)
Srirangam (AC-139),Tiruchirappalli (PC-24)
Tiruchirappalli West (AC-140),Tiruchirappalli (PC-24)
Tiruchirappalli East (AC-141),Tiruchirappalli (PC-24)
Thiruverumbur (AC-142),Tiruchirappalli (PC-24)
Gandarvakottai (AC-178),Tiruchirappalli (PC-24)
Pudukkottai (AC-180),Tiruchirappalli (PC-24)
Kulithalai (AC-137),Perambalur (PC-25)
Lalgudi (AC-143),Perambalur (PC-25)
Manachanallur (AC-144),Perambalur (PC-25)
Musiri (AC-145),Perambalur (PC-25)
Thuraiyur (AC-146),Perambalur (PC-25)
Perambalur (AC-147),Perambalur (PC-25)
Tittakudi (AC-151),Cuddalore (PC-26)
Vriddhachalam (AC-152),Cuddalore (PC-26)
Neyveli (AC-153),Cuddalore (PC-26)
Panruti (AC-154),Cuddalore (PC-26)
Cuddalore (AC-155),Cuddalore (PC-26)
Kurinjipadi (AC-156),Cuddalore (PC-26)
Kunnam (AC-148),Chidambaram (PC-27)
Ariyalur (AC-149),Chidambaram (PC-27)
Jayankondam (AC-150),Chidambaram (PC-27)
Bhuvanagiri (AC-157),Chidambaram (PC-27)
Chidambaram (AC-158),Chidambaram (PC-27)
Kattumannarkoil (AC-159),Chidambaram (PC-27)
Sirkazhi (AC-160),Mayiladuturai (PC-28)
Mayiladuthurai (AC-161),Mayiladuturai (PC-28)
Poompuhar (AC-162),Mayiladuturai (PC-28)
Thiruvidaimarudur (AC-170),Mayiladuturai (PC-28)
Kumbakonam (AC-171),Mayiladuturai (PC-28)
Papanasam (AC-172),Mayiladuturai (PC-28)
Nagapattinam (AC-163),Nagapattinam (PC-29)
Kilvelur (AC-164),Nagapattinam (PC-29)
Vedaranyam (AC-165),Nagapattinam (PC-29)
Thiruthuraipoondi (AC-166),Nagapattinam (PC-29)
Thiruvarur (AC-168),Nagapattinam (PC-29)
Nannilam (AC-169),Nagapattinam (PC-29)
Mannargudi (AC-167),Thanjavur (PC-30)
Thiruvaiyaru (AC-173),Thanjavur (PC-30)
Thanjavur (AC-174),Thanjavur (PC-30)
Orattanadu (AC-175),Thanjavur (PC-30)
Pattukkottai (AC-176),Thanjavur (PC-30)
Peravurani (AC-177),Thanjavur (PC-30)
Thirumayam (AC-181),Sivaganga (PC-31)
Alangudi (AC-182),Sivaganga (PC-31)
Karaikudi (AC-184),Sivaganga (PC-31)
Tiruppattur (AC-185),Sivaganga (PC-31)
Sivaganga (AC-186),Sivaganga (PC-31)
Manamadurai (AC-187),Sivaganga (PC-31)
Melur (AC-188),Madurai (PC-32)
Madurai East (AC-189),Madurai (PC-32)
Madurai North (AC-191),Madurai (PC-32)
Madurai South (AC-192),Madurai (PC-32)
Madurai Central (AC-193),Madurai (PC-32)
Madurai West (AC-194),Madurai (PC-32)
Sholavandan (AC-190),Theni (PC-33)
Usilampatti (AC-197),Theni (PC-33)
Andipatti (AC-198),Theni (PC-33)
Periyakulam (AC-199),Theni (PC-33)
Bodinayackanur (AC-200),Theni (PC-33)
Cumbum (AC-201),Theni (PC-33)
Thiruparankundram (AC-195),Virudhunagar (PC-34)
Thirumangalam (AC-196),Virudhunagar (PC-34)
Sattur (AC-204),Virudhunagar (PC-34)
Sivakasi (AC-205),Virudhunagar (PC-34)
Virudhunagar (AC-206),Virudhunagar (PC-34)
Aruppukkottai (AC-207),Virudhunagar (PC-34)
Aranthangi (AC-183),Ramanathapuram (PC-35)
Tiruchuli (AC-208),Ramanathapuram (PC-35)
Paramakudi (AC-209),Ramanathapuram (PC-35)
Tiruvadanai (AC-210),Ramanathapuram (PC-35)
Ramanathapuram (AC-211),Ramanathapuram (PC-35)
Mudhukulathur (AC-212),Ramanathapuram (PC-35)
Vilathikulam (AC-213),Thoothukkudi (PC-36)
Thoothukkudi (AC-214),Thoothukkudi (PC-36)
Tiruchendur (AC-215),Thoothukkudi (PC-36)
Srivaikuntam (AC-216),Thoothukkudi (PC-36)
Ottapidaram (AC-217),Thoothukkudi (PC-36)
Kovilpatti (AC-218),Thoothukkudi (PC-36)
Rajapalayam (AC-202),Tenkasi (PC-37)
Srivilliputhur (AC-203),Tenkasi (PC-37)
Sankarankovil (AC-219),Tenkasi (PC-37)
Vasudevanallur (AC-220),Tenkasi (PC-37)
Kadayanallur (AC-221),Tenkasi (PC-37)
Tenkasi (AC-222),Tenkasi (PC-37)
Alangulam (AC-223),Tirunelveli (PC-38)
Tirunelveli (AC-224),Tirunelveli (PC-38)
Ambasamudram (AC-225),Tirunelveli (PC-38)
Palayamkottai (AC-226),Tirunelveli (PC-38)
Nanguneri (AC-227),Tirunelveli (PC-38)
Radhapuram (AC-228),Tirunelveli (PC-38)
Kanniyakumari (AC-229),Kanniyakumari (PC-39)
Nagercoil (AC-230),Kanniyakumari (PC-39)
Colachel (AC-231),Kanniyakumari (PC-39)
Padmanabhapuram (AC-232),Kanniyakumari (PC-39)
Vilavancode (AC-233),Kanniyakumari (PC-39)
Killiyoor (AC-234),Kanniyakumari (PC-39)
- Thiruvallur (PC-1)
- Gummidipoondi (AC-1)
- Ponneri (AC-2)
- Thiruvallur (AC-4)
- Poonamallee (AC-5)
- Avadi (AC-6)
- Madavaram (AC-9)
- Chennai North (PC-2)
- Tiruvottiyur (AC-10)
- Dr.Radhakrishnan Nagar (AC-11)
- Perambur (AC-12)
- Kolathur (AC-13)
- Thiru-Vi-Ka Nagar (AC-15)
- Royapuram (AC-17)
- Chennai South (PC-3)
- Virugampakkam (AC-22)
- Saidapet (AC-23)
- Thiyagarayanagar (AC-24)
- Mylapore (AC-25)
- Velachery (AC-26)
- Sholinganallur (AC-27)
- Chennai Central (PC-4)
- Villivakkam (AC-14)
- Egmore (AC-16)
- Harbour (AC-18)
- Chepauk-Thiruvallikeni (AC-19)
- Thousand Lights (AC-20)
- Anna Nagar (AC-21)
- Sriperumbudur (PC-5)
- Maduravoyal (AC-7)
- Ambattur (AC-8)
- Alandur (AC-28)
- Sriperumbudur (AC-29)
- Pallavaram (AC-30)
- Tambaram (AC-31)
- Kancheepuram (PC-6)
- Chengalpattu (AC-32)
- Thiruporur (AC-33)
- Cheyyur (AC-34)
- Madurantakam (AC-35)
- Uthiramerur (AC-36)
- Kancheepuram (AC-37)
- Arakkonam (PC-7)
- Tiruttani (AC-3)
- Arakkonam (AC-38)
- Sholingur (AC-39)
- Katpadi (AC-40)
- Ranipet (AC-41)
- Arcot (AC-42)
- Vellore (PC-8)
- Vellore (AC-43)
- Anaikattu (AC-44)
- Kilvaithinankuppam (AC-45)
- Gudiyattam (AC-46)
- Vaniyambadi (AC-47)
- Ambur (AC-48)
- Krishnagiri (PC-9)
- Uthangarai (AC-51)
- Bargur (AC-52)
- Krishnagiri (AC-53)
- Veppanahalli (AC-54)
- Hosur (AC-55)
- Thalli (AC-56)
- Dharmapuri (PC-10)
- Palacodu (AC-57)
- Pennagaram (AC-58)
- Dharmapuri (AC-59)
- Pappireddippatti (AC-60)
- Harur (AC-61)
- Mettur (AC-85)
- Tiruvannamalai (PC-11)
- Jolarpet (AC-49)
- Tiruppattur (AC-50)
- Chengam (AC-62)
- Tiruvannamalai (AC-63)
- Kilpennathur (AC-64)
- Kalasapakkam (AC-65)
- Arni (PC-12)
- Polur (AC-66)
- Arani (AC-67)
- Cheyyar (AC-68)
- Vandavasi (AC-69)
- Gingee (AC-70)
- Mailam (AC-71)
- Viluppuram (PC-13)
- Tindivanam (AC-72)
- Vanur (AC-73)
- Viluppuram (AC-74)
- Vikravandi (AC-75)
- Thirukoilur (AC-76)
- Ulundurpettai (AC-77)
- Kallakuruchi (PC-14)
- Rishivandiyam (AC-78)
- Sankarapuram (AC-79)
- Kallakurichi (AC-80)
- Gangavalli (AC-81)
- Attur (AC-82)
- Yercaud (AC-83)
- Salem (PC-15)
- Omalur (AC-84)
- Edappadi (AC-86)
- Salem West (AC-88)
- Salem North (AC-89)
- Salem South (AC-90)
- Veerapandi (AC-91)
- Namakkal (PC-16)
- Sankari (AC-87)
- Rasipuram (AC-92)
- Senthamangalam (AC-93)
- Namakkal (AC-94)
- Paramathi-Velur (AC-95)
- Tiruchengodu (AC-96)
- Erode (PC-17)
- Kumarapalayam (AC-97)
- Erode East (AC-98)
- Erode West (AC-99)
- Modakurichi (AC-100)
- Dharapuram (AC-101)
- Kangayam (AC-102)
- Tiruppur (PC-18)
- Perundurai (AC-103)
- Bhavani (AC-104)
- Anthiyur (AC-105)
- Gobichettipalayam (AC-106)
- Tiruppur North (AC-113)
- Tiruppur South (AC-114)
- The Nilgiris (PC-19)
- Bhavanisagar (AC-107)
- Udhagamandalam (AC-108)
- Gudalur (AC-109)
- Coonoor (AC-110)
- Mettuppalayam (AC-111)
- Avanashi (AC-112)
- Coimbatore (PC-20)
- Palladam (AC-115)
- Sulur (AC-116)
- Kavundampalayam (AC-117)
- Coimbatore North (AC-118)
- Coimbatore South (AC-120)
- Singanallur (AC-121)
- Pollachi (PC-21)
- Thondamuthur (AC-119)
- Kinathukadavu (AC-122)
- Pollachi (AC-123)
- Valparai (AC-124)
- Udumalaipettai (AC-125)
- Madathukulam (AC-126)
- Dindigul (PC-22)
- Palani (AC-127)
- Oddanchatram (AC-128)
- Athoor (AC-129)
- Nilakkottai (AC-130)
- Natham (AC-131)
- Dindigul (AC-132)
- Karur (PC-23)
- Vedasandur (AC-133)
- Aravakurichi (AC-134)
- Karur (AC-135)
- Krishnarayapuram (AC-136)
- Manapparai (AC-138)
- Viralimalai (AC-179)
- Tiruchirappalli (PC-24)
- Srirangam (AC-139)
- Tiruchirappalli West (AC-140)
- Tiruchirappalli East (AC-141)
- Thiruverumbur (AC-142)
- Gandarvakottai (AC-178)
- Pudukkottai (AC-180)
- Perambalur (PC-25)
- Kulithalai (AC-137)
- Lalgudi (AC-143)
- Manachanallur (AC-144)
- Musiri (AC-145)
- Thuraiyur (AC-146)
- Perambalur (AC-147)
- Cuddalore (PC-26)
- Tittakudi (AC-151)
- Vriddhachalam (AC-152)
- Neyveli (AC-153)
- Panruti (AC-154)
- Cuddalore (AC-155)
- Kurinjipadi (AC-156)
- Chidambaram (PC-27)
- Kunnam (AC-148)
- Ariyalur (AC-149)
- Jayankondam (AC-150)
- Bhuvanagiri (AC-157)
- Chidambaram (AC-158)
- Kattumannarkoil (AC-159)
- Mayiladuturai (PC-28)
- Sirkazhi (AC-160)
- Mayiladuthurai (AC-161)
- Poompuhar (AC-162)
- Thiruvidaimarudur (AC-170)
- Kumbakonam (AC-171)
- Papanasam (AC-172)
- Nagapattinam (PC-29)
- Nagapattinam (AC-163)
- Kilvelur (AC-164)
- Vedaranyam (AC-165)
- Thiruthuraipoondi (AC-166)
- Thiruvarur (AC-168)
- Nannilam (AC-169)
- Thanjavur (PC-30)
- Mannargudi (AC-167)
- Thiruvaiyaru (AC-173)
- Thanjavur (AC-174)
- Orattanadu (AC-175)
- Pattukkottai (AC-176)
- Peravurani (AC-177)
- Sivaganga (PC-31)
- Thirumayam (AC-181)
- Alangudi (AC-182)
- Karaikudi (AC-184)
- Tiruppattur (AC-185)
- Sivaganga (AC-186)
- Manamadurai (AC-187)
- Madurai (PC-32)
- Melur (AC-188)
- Madurai East (AC-189)
- Madurai North (AC-191)
- Madurai South (AC-192)
- Madurai Central (AC-193)
- Madurai West (AC-194)
- Theni (PC-33)
- Sholavandan (AC-190)
- Usilampatti (AC-197)
- Andipatti (AC-198)
- Periyakulam (AC-199)
- Bodinayackanur (AC-200)
- Cumbum (AC-201)
- Virudhunagar (PC-34)
- Thiruparankundram (AC-195)
- Thirumangalam (AC-196)
- Sattur (AC-204)
- Sivakasi (AC-205)
- Virudhunagar (AC-206)
- Aruppukkottai (AC-207)
- Ramanathapuram (PC-35)
- Aranthangi (AC-183)
- Tiruchuli (AC-208)
- Paramakudi (AC-209)
- Tiruvadanai (AC-210)
- Ramanathapuram (AC-211)
- Mudhukulathur (AC-212)
- Thoothukkudi (PC-36)
- Vilathikulam (AC-213)
- Thoothukkudi (AC-214)
- Tiruchendur (AC-215)
- Srivaikuntam (AC-216)
- Ottapidaram (AC-217)
- Kovilpatti (AC-218)
- Tenkasi (PC-37)
- Rajapalayam (AC-202)
- Srivilliputhur (AC-203)
- Sankarankovil (AC-219)
- Vasudevanallur (AC-220)
- Kadayanallur (AC-221)
- Tenkasi (AC-222)
- Tirunelveli (PC-38)
- Alangulam (AC-223)
- Tirunelveli (AC-224)
- Ambasamudram (AC-225)
- Palayamkottai (AC-226)
- Nanguneri (AC-227)
- Radhapuram (AC-228)
- Kanniyakumari (PC-39)
- Kanniyakumari (AC-229)
- Nagercoil (AC-230)
- Colachel (AC-231)
- Padmanabhapuram (AC-232)
- Vilavancode (AC-233)
- Killiyoor (AC-234)
let @w="ggyGP:1,234 s/.*,//\<CR>gg:1,234 !uniq \<CR>1,39 g/^/normal I- \<CR>\<ESC>gg39j"
let @e="yyf,wv$#p>>i- \<ESC>f,D``dd"
let @s="/^\w\<CR>jV5j:!sort -nt':' -k2,2\<CR>"
@w
and
234@e
:%s/AC\zs-/:/g\<CR>
39@s
:%s/AC\zs:/-/g\<CR>