Two prime ministers and a chief minister shared the stage for four hours at Shantiniketan, the institution set up by Nobel laureate Rabindranath Tagore. But in the end, silence spoke the loudest. Bangladesh Prime Minister Sheikh Hasina did not use the "T" word -- the contentious Teesta water treaty unresolved for years. Bangladesh wants more water from the north Bengal river, and Mamata Banerjee is unwilling to give. It will hurt Bengal's farmers, the Trinamool Congress chief says.