Prime Minister Narendra Modi has condemned the Naxal attack in Chhattisgarh's Sukma and paid tribute to the 17 security personnel of District Reserve Guards  and Special Task Force who lost their lives in the encounter.<br />''<br />''Taking to Twitter, the Prime Minister said the valour of the Bravehearts will never be forgotten. Defence Minister Rajnath Singh has also condoled the death of 17 security personnel. <br />''<br />''<br />