The Malaysian commander is on a four-day visit to India.
Admiral Kumar said the Indian Navy keeps track of China's forays into the Indian Ocean, saying activities of that country are watched closely.
Admiral R Hari Kumar takes over as the new Chief of Naval Staff succeeding Admiral Karambir Singh. Admiral Radhakrishnan Hari Kumar becomes the 25th Chief of the Indian Navy.
Vice Admiral Hari Kumar's sea command includes INS Nishank, missile corvette INS Kora and guided missile destroyer INS Ranvir.