While the government remains disappointed that Sri Lanka reneged on an agreement with India and Japan to develop the East Container Terminal (ECT) at the Colombo port, it sees as a ``useful step’’ Lanka’s decision to enter into a $ 700 million deal with the Adani group for developing another terminal at the same port.While the government remains disappointed that Sri Lanka reneged on an agreement with India and Japan to develop the East Container Terminal (ECT) at the Colombo port, it sees as a ``useful step’’ Lanka’s decision to enter into a $ 700 million deal with the Adani group for developing another terminal at the same port.