India, June 28 -- India on Sunday rejected accusations by Pakistani authorities that a terrorist attack in Karachi was carried out by an "Indian proxy" and said Islamabad should take credible action against terror infrastructure on Pakistani soil.

Three Pakistani security personnel and three terrorists were killed in the attack on the provincial headquarters of the paramilitary Pakistan Rangers in Karachi on Saturday night.

Jamaat-ul-Ahrar, a breakaway faction of the Pakistani Taliban, claimed the attack. Pakistan's military and interior minister Mohsin Naqvi claimed the assault was carried out by an "Indian proxy" but provided no evidence to support the allegation.

"We have seen Pakistani reports making baseless allegations against In...