Jagdish Lal Ahuja, who serves free food to patients and attendants outside PGI hospital in Chandigarh, Mohammed Sharif from Faizabad, who has performed last rites of over 25,000 unclaimed bodies, and elephant doctor from Assam Kushal Konwar Sarma are among unsung heroes awarded the coveted Padma Shri award this year, officials said on Saturday.