Replicating its Karnataka campaign model in Telangana, Congress is all set to roll out its poll juggernaut on a jumbo bus, which proved to be its vehicle of unity and electoral clincher in the neighbouring state. The grand old party’s decision to launch a bus yatra straddling 100 assembly seats of Telangana, comes close on heels of walkathons by state Congress president A Revanth Reddy and legislature party leader Bhatti Vikramarka.