The violence in Bihar during Ram Navami was well-planned and the mastermind was the Bajrang Dal convener of the Nalanda district, the police said. Kundan Kumar and the other accused planned and executed the communal clashes through social media and a WhatsApp group which had 456 members. He was the admin of the WhatsApp group which was formed just ahead of the Ram Navami, said Jitendra Singh Gawar, Additional Director General of Police, Bihar.