• International Spinal Cord Lesion Management, Centre for Rehabilitation of Paralysed, Dhaka, Bangladesh, 6-8 November 2001
  • International Spinal Cord Society’s Annual International Conference ((ISCoS) at Vancouver in June 2002, at Beijing in October 2003, at Athens in September 2004, at Munich in October 2005, at Boston in June 2006, Iceland in June 2007 and Durban in Aug. Sep.2008.
  • Nepal Orthopaedic Association’s Annual International Conference at Kathmandu in December 2002, 
  • UNESCAP – High level Intergovernmental Meeting to conclude the Asian & Pacific Decade of Disabled Persons (1193-2002), 25-28 Oct., 2002 Japan
  • World Spine II, Chicago, USA in August 2003
  • Asian Spinal Cord Network Conferences at Nepal in December 2004, at Vietnam in November-December 2005.
  • SRS Tutorial Course from 23rd to 27th July 2006 at Seoul, Korea
  • SPR course from 10th to 14th March 2006 at Nanjing, China
  • Instructional Course on Spinal Trauma & Motion Preservation in Spine at Kathmandu from 21st – 22nd May 2007 by Nepal Orthopaedic Society.
  • ASCON 2006 at Dhaka from 23rd – 25th March 2007
  • 3rd Annual Conference – Uttarchanchal Chapter on Indian Orthopaedic Assocaition from 19th – 21st January 2007 at Uttranchal by Kumaon Orthopaedic Club
  • 46th ISCoS (International Spinal Cord Society) Annual Scientific Meeting 10th NoSCoS Congress at Reykjavic, Iceland from 27th June – 1st July 2007.
  • 47th ISCoS (International Spinal Cord Society) Annual Scientific Meeting at Durban, South Africa from 29th August – 3rd September 2008.
  • Guest Faculty for Asian Spinal Cord Network (ASCoN) Conference being held at Hanoi, Vietnam from 9th to 11th December 2008
  • IGASS Board Meeting in Paris, France on January 17th, 2009
  • Bangladesh Orthopaedic Society as a Faculty for the 22nd Annual Scientific Congress of Bangladesh Orthopaedic Society (BOSCON-2009) to be held form 27th March to 30th March, 2009 at Dhaka, Bangladesh.
  • Guest Faculty for Annual Scientific Sessions for the workshop on “Comprehensive Management of Spinal Cord Injuries” from 24th August to 26th August 2009 in Colombo, Srilanka by the College of Surgeons of Sri Lanka and SAARC Surgical Care Society