China increased activity in hind mahasagar

India is growing concerned at the reach and ambition of the Chinese navy, which is taking an increasingly assertive stance in the South China Sea and is challenging India's domination in the Indian Ocean. Both the United States and India are growing concerned at the reach and ambition of the Chinese navy, which is taking an increasingly assertive stance in the South China Sea and is challenging India’s domination in the Indian Ocean. Indian naval officials say Chinese submarines have been sighted on an average four times every three months. Some are seen near India’s Andamans and Nicobar islands that lie near the Malacca Straits, the entry to the South China Sea through which more than 80 percent of China’s fuel supplies pass.