The PLA Navy (PLAN)'s capabilities in key areas (assets, trained personnel, experience) are currently insufficient to support long-range sea lanes of communication (SLOC) defense missions. With sufficient effort, Beijing may eventually overcome these obstacles, but it would probably also have to acquire some form of overseas basing access, which its foreign policy still proscribes.
China’s String of Pearls and India’s Enduring Tactical Advantage
Not only would the presence of Chinese vessels present no real existential threat to Indian naval dominance in the region, it would also, paradoxically, provide the Indian Navy with a far greater degree of tactical flexibility in the event of a future conflict with China, be it on land or at sea.