Comments By: PTI | New Delhi | Published:April 27, 2016 11:39 am Karbonn plans to add SOS app to its mobiles in the next month. In this file photo, Karbonn S20 is seen. Karbonn, on Tuesday, said it will roll out an SOS app for women on its handsets in the next two months, much ahead of the government’s mandate of installing a panic button on phones...