The arrest was made by the Special Investigating Team (SIT) of the Mumbai Police Cyber Cell in Chhattisgarh, following the dismissal of his bail petition by the Bombay High Court.
While suspicions point towards laborers from the minority community engaged in construction works in the area, no official investigation has commenced.
The bus, operated by Trishul Travels with registration number AS 01 QC 8837, was en route from Jorhat to Guwahati when the attack occurred around 1:30 am.