President Pratibha Patil said a strong defence and an effective deterrence were essential to preserve peace in the country. Share the love Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window You Might Also Like SC to pronounce verdict on Rajiv Gandhi killers` plea today February 18, 2014 Indian man mowed down by truck in Singapore September 9, 2014 Madonna ranks No. 1 as music's top earning woman – Forbes December 12, 2013