New Delhi, Nov 23 (ANI): Defence Minister Manohar Parrikar inaugurated the central hub of National Command Control Communications and Intelligence Network on Sunday, which can track 30,000-40,000 ships on a daily basis. Parrikar while addressing the inauguration ceremony said that maritime security of the nation is very important. He added that there should be zero tolerance towards error. The NCCCIN will alert the naval coast guard of any unusual or suspicious movements and activities at the sea.