Mumbai A four-day festival in memory of playwright and theatre director Shiv Subrahmanyam opened at Prithvi Theatre in Juhu on Tuesday. A theatre festival for a cause in memory of Shiv Subrahmanyam Subrahmanyam, who passed away in April this year at the age of 52, began his journey in theatre with Veenapani Chawla, Naseeruddin Shah and Shanta Gandhi. Published by …