Dr.A.S.Chilana is a renowned General and Laparoscopic surgeon of North west Delhi with more than 35 years of experience in the field. After passing his M.S. surgery in 1983 he worked in various government hospitals for 10 years . He started his practice from Sunder Lal jain Hospitall later also joined Max Hospital Pitampura in 2005 and worked till 2015. He worked in Fortis Hospital Shalimar Bagh from 2015 to 2018 as Principal consultant General and Laparoscopic Surgery. Since 2018 to date of joining Fortis Hospital Shalimar Bagh he was working in MSSHospital Shalimar Bagh. He has been prompt in adopting innovations and modern modalities of treatment .He has developed his expertise in Proctology presently using latest and most innovative method the Diode Laser.He has been active in various workshops and conferences made various presentations and learned from experiences of others. He has used his expertise to create awareness and educate patients about latest modalities of treatment available.

Awarded Fellowship by Association of Minimal Access Surgeons of India 2005 Actively organized the annual conference Delhi state Chapter of ASI at SLJHospital Various presentations in State and National conferences