Business Till June 22, only 39% of land for Mumbai-Ahmedabad bullet train project was acquired Updated : June 22, 2019 12:47 PM IST In Gujarat, the NHSRCL has acquired 471 of 940 hectares of land, while in Maharashtra, it has acquired 66 of 431 hectares. According to the official, a 21-km-long tunnel will be dug between Boisar and BKC in Mumbai, 7 km of which will be under the sea. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.