Devakumar works as ‘Coordinator training’ with EMFI (Evangelical Medical Fellowship of India) based in Chennai. His work involves doing various teaching programs, conducting camps,and facilitating Pre marriage, Marriage enrichment and Parenting seminars etc.

EMFI works with medical and dental students and doctors encouraging them to see their courses and practice not as a Career but as a Calling; fostering fellowship to enable Christ- centered living, caring service and ethical practice, thus promoting wholeness of life. Also encouraging doctors to consider Medical Missions in unreached places.

The national office of EMFI is in Chennai but the work is spread in many parts of the country.

His wife Nanditha works in the Chennai office. They are blessed with two children. Their son Aditya, wife Karuna and daughter Anya make their home in Bangalore while their daughter Varsha works with World Vision in Chennai.