Prayagraj (Uttar Pradesh) [India], February 4: Amid the grand Mahakumbh Mela, one of the world's largest spiritual gatherings, a crucial life-saving initiative is gaining attention. Dr. V.K. Jain, a senior physician and heart health specialist, has set up a free CPR (Cardiopulmonary Resuscitation) training stall to educate millions on responding to sudden cardiac arrest (SCA)--a condition responsible for over 7 lakh deaths annually in India.