The Chinese vessel had run out of power and essential supplies mid-sea.
INS Teg, on anti-piracy patrol in the Gulf of Aden, responded to visual distress alert raised by sailing yacht, approximately 400 km South West of Salalah at 0910 hours on Saturday, Navy officials said.
The yacht on passage from Colombo to Djibouti had two male Chinese crew.
The yacht suffered total power failure and had no backup, the officials said, adding INS Teg provided assistance by restoring power suppy and provided 10 days supply (ration and water) to them.