India, May 17 -- Security along the West Bengal-Bangladesh border has been tightened since the launch of Operation Sindoor against Pakistan as part of an exercise to intensify vigil on the eastern sector, Army and police officials have said.

An integrated field exercise, codenamed Teesta Prahar, has been held by the Army since May 4 in Bengal and Assam which share borders with Bangladesh.

"Set in a demanding riverine terrain, the large-scale integrated field exercise validated the combat effectiveness and coordination of various arms and services under realistic battlefield conditions," the defence department said in a statement on Friday.

Infantry, artillery, armoured corps, mechanized infantry, special forces, army aviation, engineer...