Rs 33.43-cr park in Gorai has been awaiting inauguration for six months; authorities want park opened before Diwali. The Rs 33.43 crore much-awaited Bharatratna Atal Bihari Vajpayee Mangrove Park, also known as Gorai Mangrove Park, which has been awaiting inauguration for over six months, may finally open to. Mumbai’s Rs 33.43 crore Gorai Mangrove Park may open in 10 to 15 days, featuring an elevated boardwalk, bird observatory and guided nature.