Has competed in professional body building competitions and represented the state in various competitions all around the country. Some of his achievements are:
- Have been gold medalist for last consecutive 3 years at Mumbai University Competition.
- 1st place (Gold Medal) in Jr. Mumbai Shree 2005 Competition held at Suryavanshi Hall on 4th June 2005.
- Secured 1st Place in Jr.Maharashtra shree Body building competition held on 7th June 2005 at Pune district.
- 1st place at BEST PHYSIC Competition held by the University of Mumbai in the year 2004-05.
- Represented University of Mumbai for Inter University Best Physic tournament held at Andhra University Vishakhapatnam in 2004 -05
- Secured Second Place in Maharashtra Shree Body Building Competition held on 12th may 2004 at Rahuri District Ahmadnagar.
- Awarded First Place (Sarvodaya shree) of Bowlekar’s Health center Body Building Championship held at Mumbai on 26th Sept 2004.
- Secured 1st place in Jr. Maharashtra Shree Body Building Competition held on 8th Nov2004 at Mulund.
- Stood 5th at National Body Building Championship West Bengal held on 6th 7th Sept., 2003.
- Silver Medal Winner at National Taekwondo Championship organized by professional Taekwondo club.
- And many other Gold & Silver medals and certificates for Body Building Championships and Taekwondo Championship.
Besides this, Arun holds a graduation degree in Commerce from Mumbai university and has trainer under Internation body builders like Mr Shyam Rathe. Arun also holds a certification in Fitness Sciences and Power yoga.