New Delhi, Sept. 16 -- India on Wednesday summoned Pakistan's Charge d'Affaires in New Delhi and lodged a strong protest over what it called the "unacceptable and unprofessional conduct" of Pakistani naval units that led to a collision with an Indian Navy unit.

The Ministry of External Affairs in a statement said the incident took place in international waters and did not cause any major damage.

However, India said the conduct of the Pakistani naval ship was in direct contravention of Article 10 of the April 1991 Agreement between India and Pakistan on Advance Notice on Military Exercises, Manoeuvres and Troops Movements.

The Pakistani Charge d'Affaires was advised to convey to the concerned authorities the need for all military units ...