He also said the cross-border tension would ease if Pakistan stops violating ceasefire agreement.
"Surgical strike has given a message that Indian government will not be aggressive but will also not take things lying down," Parrikar told reporters after commissioning new warship 'INS Chennai' here.
Responding to questions on the army's action against terror camps and the recent rise in ceasefire violations across the border, Parrikar said if the 'timetable' of such violations is observed, there is always some political angle to them.
Parrikar said Prime Minister Narendra Modi tried to improve the relations between the two countries "but he was severely criticised".
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We welcome good relations always, but not at the cost of national interest," he added.
When asked about growing indigenisation of technology in ship building and missiles, the Defence Minister said, "We want to achieve 75 per cent indigenisation of technology at least. One must not forget that 100 per cent indigenisation of such technology is not possible anywhere in the world."
"Most of the defence projects are streamlined and the waiting period for their commencement and completion has come down drastically. We need to increase the speed and focus on projects more so that we will complete the backlog. Synergy of various departments has helped to achieve it," he said.
Earlier, the minister commissioned 'INS Chennai', the third indigenously designed guided missile destroyer in the Kolkata class.
Built at the Mazagon Dock Shipbuilders Ltd in Mumbai, the ship's construction also marks the end of the Project 15A to build Kolkata-class guided missile destroyers.