will be India's first underwater metro system. In July 2022, the Sealdah Metro Station was inaugurated and currently the line extends from Bidhannagar Sector 5 To Sealdah. The next portion which will be inaugurated will be from Sealdah to Howrah Maidan via Esplanade. Other lines being constructed are: Kolkata Metro Line 3 (Esplanade - Behala - Joka) [Purple Line]. Kolkata Metro Line 4 (Noapara - Airport - Barasat) [Yellow Line]. Kolkata Metro Line 5 (Baranagar - Barrackpore) [Pink Line] (planned but construction has not started). Kolkata Metro Line 6 (New Garia - EM Bypass - Salt Lake - Rajarhat Newtown - Airport) [Orange Line]. Some extensions are also planned. Trains run at a frequency of every 5 minutes (Peak Hours) to 15 minutes (Non-Peak Hours) from 6:55 a.m. to 10:30 p.m. from Monday to Saturday and from 09:50 a.m. to 10:00 p.m. on Sunday. Fares range between ₹5 to ₹30. The Kolkata Metro has commendable service, affordable ticket prices, clean stations and safety. Buses Kolkata despite not having any Rapid Bus Transit System has an extensive network of government run and privately run buses. Buses in Kolkata and other parts of West Bengal do not have a card system. One has to buy tickets after boarding the bus. The bus tickets are simple paper tickets purchased from the bus conductor. The government buses were previously run by Calcutta State Transport Corporation, Calcutta Tramways Company, West Bengal Surface Transport Corporation, North Bengal State Transport Corporation and South Bengal State Transport Corporation .In the year 2016, the first three government bus companies merged and formed West Bengal Transport Corporation. The government buses are generally painted either blue color with white stripes or white color with blue stripes. This buses are identified by the WBTC symbol on the front windscreen and on their body. Usually these buses are big. Both the name of the destination place as well as the name of the originating place is mentioned on the front of the bus either digitally [LED Board] or written [White Board].The fleet consist of Ashok Leyland Jan Bus, Tata Motors Marcopolo Bus and Eicher Motors Starline bus. Air-conditioned buses have been introduced in the year 2014 under Jawaharlal Nehru National Urban Renewal Mission (JNNURM) and are operated by WBTC. Air-conditioned buses have been included to provide comfort to daily commuters to make there travel less tiresome.However AC buses are quite empty as their