Following the death of Vijay Singh, the Maha Mantri of the BJP’s Jahanabad district in a police lathicharge, the saffron party has decided to observe a 'Black Day' across Bihar on Friday. BJP state president Samrat Chaudhary said that Chief Minister Nitish Kumar and Dy CM Tejashwi Yadav are directly responsible for the murder of our party’s leader Vijay Singh.