Syama Prasad Mookerjee Port, Kolkata invites GeM bids for 5-year vessel lease contracts totaling Rs. 1,696.84 Lakhs. The 15-Ton Bollard pull tug charter bids close on July 28, 2026, while the pilot launch hiring proposals are due by August 4, 2026, at 11:00 AM via gem.gov.in.