New Delhi: Top leaders of the opposition INDIA bloc will convene at Delhi’s historic Ramlila Maidan on Sunday for what is being called the ‘Loktantra Bachao’ (save democracy) rally. The event is being seen as the Opposition’s show of both its strength and unity, in the backdrop of the arrest of Delhi chief minister and AAP national convenor, Arvind Kejriwal, by the Enforcement Directorate (ED) on March 21 in the liquor policy case.