[['dibrugarh', 'kanyakumari', 'vivek express / 15905 / 15906', 'indian railways', '4286 km', '55', 'weekly', '82.30 hrs (~3.5 days)'], ['jammutawi', 'kanyakumari', 'himsagar express / 6318', 'indian railways', '3715 km', '71', 'weekly', '69 hrs 40 min (~3 days)'], ['mangalore', 'jammu', 'navyug express / 16687', 'indian railways', '3609 km', '61', 'weekly', '68 hrs (~3 days)'], ['yeswanthpur ( bangalore )', 'dibrugarh', 'dibrugarh express / 15901', 'indian railways', '3578 km', '70', 'weekly', '68 hrs (~3 days)'], ['tirunelveli', 'jammu', 'ten jammu express / 16787', 'indian railways', '3561 km', '70', 'biweekly', '70 hrs (~3 days)'], ['thiruvananthapuram', 'guwahati', 'guwahati express / 12515', 'indian railways', '3552 km', '50', 'weekly', '65 hrs'], ['dehradun', 'kochuveli railway station ( thiruvananthapuram )', 'ddn kcvl sup express / 12288', 'indian railways', '3459 km', '25', 'weekly', '61 hrs 10 mins'], ['ernakulam', 'barauni', 'raptisagar express / 12522', 'indian railways', '3441 km', '61', 'weekly', '62 hrs (~3 days)'], ['chandigarh', 'kochuveli railway station ( thiruvananthapuram )', 'keraka sampark kranti express / 12218', 'indian railways', '3415 km', '21', 'weekly', '57 hrs 35 mins'], ['guwahati', 'ernakulam', 'guwahati - ernakulam express / 12508', 'indian railways', '3337 km', '43', 'weekly', '59 hrs 45 mins'], ['amritsar', 'kochuveli railway station ( thiruvananthapuram )', 'amritsar kochuveli express / 12484', 'indian railways', '3296 km', '22', 'weekly', '57 hrs 10 min (~2.5 days)'], ['okha', 'rameswaram', 'rameswaram - okha express / 16733', 'indian railways', '3256 km', '40', 'weekly', '65 hrs 00 mins'], ['thiruvananthapuram', 'gorakhpur', 'raptisagar express / 12512', 'indian railways', '3248 km', '60', 'tri - weekly', '57hrs 5 mins'], ['okha', 'guwahati', 'dwarka express / 15636', 'indian railways', '3213 km', '41', 'weekly', '65 hrs 35 mins'], ['dwarka', 'guwahati', 'dwarka express / 15636', 'indian railways', '3213 km', '41', 'weekly', '65 hrs 35 mins'], ['gandhidham', 'kamakhya', 'gimb kamakhya exp / 15667', 'indian railways', '3111 km', '33', 'weekly', '64 hrs 45 min (~4 days)'], ['dehradun', 'madurai', 'dehradun - madurai sf express / 12688', 'indian railways', '3086 km', '27', 'weekly', '53 hrs 25 min (~3 days)'], ['chandigarh', 'madurai', 'chandigarh - chennai - madurai link express / 22688', 'indian railways', '3082 km', '26', 'weekly', '53 hrs 00 min (~3 days)'], ['thiruvananthapuram', 'new delhi', 'thiruvananthapuram - new delhi kerala express / 12625', 'indian railways', '3035 km', '42', 'daily', '50 hrs 25 mins (2 days)'], ['dibrugarh', 'chennai', 'dibrugarh - chennai express / 15930', 'indian railways', '3028 km', '39', 'weekly', '61.20 hrs (2.5 days)'], ['patna', 'ernakulam', 'patna ernakulam exp / 16360', 'indian railways', '2984 km', '41', 'weekly', '54h 30 m (~2. days + )'], ['kanyakumari', 'new delhi', 'thirukkural express / 12641', 'indian railways', '2918 km', '25', 'bi - weekly', '46 hrs 45 mins (>2 days)'], ['dibrugarh', 'amritsar', 'dibrugarh - amritsar express / 15933', 'indian railways', '2853 km', '33', 'weekly', '61.50 hrs (2.5 days)'], ['jammu', 'chennai', 'andaman express / 16032', 'indian railways', '2798 km', '77', 'tri - weekly', '58 hrs 25 min (~2.5 days)'], ['patna', 'bangalore', 'sanghmitra exp / 12296', 'indian railways', '2727 km', '35', 'daily', '48 hrs 45 mins'], ['bikaner', 'kochuveli railway station ( thiruvananthapuram )', 'bikaner kochuveli express / 16311', 'indian railways', '2706 km', '39', 'weekly', '54 hrs 35 mins (>2 days)'], ['madurai', 'new delhi', 'tamil nadu sampark kranti / 12651', 'indian railways', '2672 km', '17', 'bi - weekly', '42 hrs 5 mins (<2 days)'], ['gandhidham', 'nagercoil', 'gandhidham exp / 16336', 'indian railways', '2649 km', '44', 'daily', '48 hrs 50 mins (~2 days)'], ['dibrugarh', 'chandigarh', 'dibrugarh - chandigarh express / 15903', 'indian railways', '2597 km', '31', 'weekly', '51.50 hrs (>2 days)'], ['amritsar', 'visakhapatnam', 'hirakud express / 18508', 'indian railways', '2579 km', '46', 'tri - weekly', '48 hrs 5 min (2 days)'], ['guwahati', 'lalgarh junction (sujangarh , rajasthan)', 'awadh - assam express / 15609', 'indian railways', '2557 km', '70', 'daily', '56 hrs 15 mins'], ['guwahati', 'secunderabad railway station', 'guwahati - secunderabad express / 12514', 'indian railways', '2553.3 km', '30', 'weekly', '45 hrs 50 mins (3 days)'], ['bikaner', 'coimbatore', 'bikaner - coimbatore exp / 22475', 'indian railways', '2486 km', '32', 'weekly', '45 hrs 5 mins (~2 days)'], ['barmer', 'guwahati', 'barmer - guwahati exp / 15631', 'indian railways', '2453 km', '29', 'bi - weekly', '48 hrs 35 mins (~2 days)'], ['puri', 'jodhpur', 'puri - jodhpur exp / 18473', 'indian railways', '2434 km', '39', 'weekly', '46 hrs 30 mins (~2 days)'], ['haridwar', 'puri', 'kalinga utkal exp / 18478', 'indian railways', '2378 km', '70', 'daily', '49 hrs (~2 days)'], ['jammu tavi', 'guwahati', 'lohit express / 15651', 'indian railways', '2343 km', '40', 'weekly', '47 hrs 15 min (~3 days)'], ['asansol', 'bhavnagar', 'parasnath exp / 12942', 'indian railways', '2321 km', '27', 'weekly', '39 hrs 45 min (~1.6 days)'], ['gandhidham', 'puri', 'gandhidham - puri sf express / 12993', 'indian railways', '2286 km', '25', 'weekly', '41 hrs 30 min (~3 days)'], ['korba', 'thiruvananthapuram', 'korba - thiruvananthapuram exp / 16327', 'indian railways', '2276 km', '46', 'bi - weekly', '41 hrs (1.7 days)']]
the 2 Longest Train Service are both located in Kanyakumari
the 2 [ENT] are both located in [ENT]