India is also on the verge of purchasing the vertical launch Barak anti-missile missile system from Israel. These are to be fitted on the sole aircraft carrier, INS Viraat, which is scheduled to re-join the Western Fleet in February next year. Nearly two years of work has extended the carrier's working life by another seven years. They thought it was a piece of crap. Pakistan is an immediate problem.
China can currently arm Pakistan with relative impunity thanks to the Himalayas.
Indian missile subs could hang out off the coast of China. Second strike capability is the name of the game. MAD kept the nuclear peace between the USA and USSR, it will do the same on the subcontinent. The Russians are also going to sell them arms. The Indian Vishnus were built to hit China's agricultural centers.