Sirisena, who became the first head of state to get on board the ship, spoke to the crew and exchanged greetings with them, officials said.
INS Vikramaditya's maiden overseas port call after its arrival in India two years ago is a manifestation of the close maritime cooperation and mutual trust between India and Sri Lanka.
44,500-tonne INS Vikramaditya is the largest and newest of the two aircraft carriers operated by the Indian Navy, and is equipped with a variety of integral weapons and sensors.