leading automobile manufacturer Tata Motors limited on Friday said that the company was readying itself for compliance to the Bharat Stage-VI (BS) emission norms scheduled to come into effect from 2020. “TMl is now working towards manufacturing BS-VI- compliant commercial vehicles for which significant R&D activity is being undertaken,” Girish Wagh, head, product line, MHCV (medium and heavy commercial vehicles), of the company said. Wagh told reporters here, “TMl is in a most advanced stage in terms of BS-VI migration.” Without going into details of the technology required and cost involved for migration, Wagh said that out of the Rs 3,500 crore-odd outlay which the company makes in its R&D activity, 40 per cent of that goes towards MHCV.