HMR department was initially set up to act as a Central Coordination Cell with a vision to offer Single Window Service to customers for Type Approval of vehicle for compliance to Central Motor Vehicle Rules, in the year 2000. This department presently plays a key role in this main Type Approval activity of ARAI by understanding the requirements of the customer, cohesive planning & processing through the connected departments / laboratories within ARAI and delivering the final type approval & other allied services.

In addition to Type Approval activities for compliance with CMVR, activity for export Homologation has been added. Besides these activities, department assists National level Technical committees for formulation of new standards, rules and regulations.