The VIP security cover of BJP leader Mukul Roy has been upgraded to ‘z’ category during the polls process in West Bengal, official sources said on Wednesday.

Roy, 66, was till now being covered under the ‘y+’ category cover of the Central Reserve Police Force (CRPF).

Official sources said Roy, the national vice president of the party and also a party candidate from the Krishnanagar assembly seat in Nadia district, will now enjoy a ‘z’ category cover during his movement in the state.

The Union Home Ministry has directed the VIP security unit of the CRPF to undertake the upgrade, they said. He will now have a contingent of 24-30 armed personnel who will work in shifts and accompany the politician during poll campaign and also provide security at his residence.

Roy had joined the BJP in November, 2017 from the Trinamool Congress (TMC) party and has also served as the Union railways minister in the past.