Expertise in: Access to medicine, HIV Prevention & Harm reduction of drug use 

Eldred has 41 years of experience in the social sector working with street Drug Users and is the Founder & Director of Sankalp Rehabilitation Trust. Sankalp has developed critical outreach services in Mumbai for Harm Reduction and basic health care. Sankalp Rehabilitation Trust, founded by Eldred in 1995, is a Red Ribbon Award Winner in 2008 for leadership in the field of HIV prevention among Injecting Drug Users. He has received the Ashoka Fellowship for his pioneering work on harm reduction in Manipur, India. Eldred is also a key activist for Access to Medicine for formulations related to HIV, HCV, and TB.