Defending champions India defeated Indonesia 2.5-1.5 in Round 2 of the FIDE Chess Olympiad in Samarkand on Thursday.
World champion Gukesh was held to a draw by 18-year-old IM Satria Duta Cahaya, causing his live rating to drop below 2700.
Nihal Sarin secured the only full point for the Indian Open team after recovering from a difficult three-pawn deficit.