New Delhi, Nov. 1 -- The military has begun large-scale drills in the country's western sector and the Arabian Sea to test its operational readiness, with the exercise involving tens of thousands of soldiers, fighter jets, warships, submarines, tanks, artillery guns and several other weapons and systems, officials aware of the matter said on Friday. The two-week tri-services exercise, which began on Thursday, is being conducted in Rajasthan, Gujarat and the Arabian Sea, the officials said. The army has named the exercise Trishul. It is the first major military exercise being held after the four-day military confrontation with Pakistan in May under Operation Sindoor. The main aim of the tri-services exercise is to enhance synergy among all t...