The 3-year PArticipatory Research model for medicaTion adherenCe In People with diAbetes and hyperTEnsion (PARTICIPATE) implementation research project is funded under the Safe and Rational Use of Medicines (SRUM) initiative of the Indian Council of Medical Research (ICMR) and will assess the effectiveness, cost-effectiveness and return of investment of peer-educator led intervention for improving medication adherence for diabetes and hypertensive patients in semi-urban and rural areas of Indore, Madhya Pradesh; Kangra, Himachal Pradesh; Cuttack, Odisha and Tirunelveli, Tamil Nadu in India.