India and Myanmar conducted their first bilateral tri-services HADR exercise, Rahat Mitra, in Chennai on November 5 and 6. The drill featured joint planning, cyclone response simulations, rescue demonstrations, medical preparedness and coordinated disaster relief operations. Chennai: Indian and Myanmarese defence personnel participated in the inaugural bilateral tri-services Humanitarian Assistance and Disaster Relief (HADR) Exercise Rahat Mitra here last week, the Defence Ministry said on Monday.