(a) whether Inland Water ways Authority of India (IWAI) and Tejovikas International Private Limited have jointly conducted hydro graphic survey/ feasibility survey for waterway between Vijayawada to Wazirabad through River Krishna;
(b) if so, the details thereof along with action taken thereon;
(c) whether IWAI has sought details of lands of both sides of river Buckingham; and
(d) the details thereof along with the reasons therefor including action taken thereon?