From Rahul Gandhi, Mallikarjun Kharge and Sharad Pawar to Uddhav Thackeray, Akhilesh Yadav and Tejashwi Yadav, the Aam Admi Party's (AAP) March 31 'Maharally' is expected to witness the spontaneous participation of several INDIA bloc leaders at the Ramlila Maidan which is being held on the backdrop of the arrest of Delhi's sitting Chief Minister Arvind Kejriwal in connection with the Delhi Excise Policy case.