As per the FIR, the intimidator referred to Kanhaiyalal and Umesh Kolhe, he warned Nishant to stop writing in support of Hindu organisations if he doesn't want to end up getting killed in the same way.
If you are so inclusive and welcoming of other person's faith, the way you pretend, why not 'allow' Hindus to celebrate the festival in a vacant ground? Is it because idol worship is the biggest sin in Islam?