"Indigenous imagery satellite did give us some pointers to possible floating objects. The area indicated are being searched intensively by ships and aircraft. Nothing sighted as yet," defence sources here said.
Efforts are on, sources said, adding another indigenous satellite would be used for further search.
A total of 12 Naval ships and four Indian Coast Guard vessels, along with 17 aircraft from the Indian Air Force, Indian Navy and ICG have been mobilised for this operation.
"The sea state, however, continues to be rough, making the conditions challenging," a statement by the MoD said.
An AN 32 aircraft of the IAF, with 29 personnel on board, including four officers, went missing on Friday over Bay of Bengal on its way from near Chennai to Port Blair.