After Khalistani group SFJ issued a threat to singer Diljit Dosanjh for touching Amitabh Bachchan's feet on KBC, central agencies are undertaking threat assessment of the veteran actor, CNN-News18 reported. Citing sources, the report said that central agencies are "fearing an attempt" on Bachchan. SFJ chief Gurpatwant Pannun threatened to shut down Diljit’s concert in Australia on November 1.