Union Defence Minister Rajnath Singh on Tuesday said that India has intensified patrolling of the seas after the recent attacks on merchant navy ships in Red Sea.

Speaking after the commissioning of stealth guided missile destroyer INS Imphal, Singh said that the Indian government has taken serious cognisance of the recent attacks on merchant navy ships MV Chem Pluto and MV Sai Baba, adding that it will take strict action against those behind the attacks by finding them even from the "depths of seas".