India, Nov. 8 -- The tri-services exercise Trishul is in full swing in the country's western sector and the Arabian Sea, and will culminate next week with large-scale amphibious drills off the Saurashtra coast, officials aware of the matter said on Saturday.

The two-week exercise, which began on October 30, aims to test the military's operational readiness and strengthen synergy among the three services and other organisations. It involves tens of thousands of soldiers, fighter jets, warships, submarines, tanks, artillery guns and several other weapons and systems.

Different elements of the overarching exercise are unfolding in a series of drills being conducted across Rajasthan, Gujarat and the Arabian Sea, the officials said, asking n...