"Everything will be fine soon," Modi said when asked about repeated violations of the 2003 bilateral ceasefire agreement by Pakistan.
He was speaking to reporters here at Air Chief Marshal Arup Raha's "At Home" programme on the occasion of the 82nd Air Force Day.
Pakistan Rangers continued to fire across the international border with India through the night and well into Wednesday, killing at least two more people and injuring two dozen.
India was quick to retaliate, but the casualties on the Pakistani side were not immediately known.
More than 20,000 residents of 30 villages along the international border in the Jammu region have been shifted to safer locations, officials said.
The latest string of Pakistan ceasefire violations on the Line of Control and the international border started Oct 3.
The number of people killed in Pakistan shelling on civilian areas in Jammu region has now gone up to seven, while the number of injured has shot up to 55.