Visits Abroad:
| Country | Period of Visit | Purpose |
| Bulgaria | 23-10-1989 To 4-11-89 | UNIDO Workshop in Ship Hydrodynamics at BSHC, Varna |
| Germany | 1-8-91 To 28-3-9 | Research in Ship Structure at TUHH, Hamburg |
| USA | 11-6-96 To 14-6-96 | To present paper in “Advances in Fluid Mechanics” conference in New Orleans |
| Japan | 13-4-97 To 19-4-97 | To present paper in OMAE conference in Yokohama |
| China | 22-6-98 To 25-7-98 | To attend IOI training program on “Deep Seabed Mining” in Tianjin |
| Brazil | 3-6-2001 To 8-6-2001 | To present paper in OMAE conference in Rio de Janeiro |
| USA | 11-6-2001 15-6-2001 | To present paper in First MIT Conference in Computational Fluid and Solid Mechanics at MIT, Cambridge,Massachusetts |
| Norway | 17-6-2001 22-6-2001 | To present paper in ISOPE conference in Stavanger |
| U.K | 3 days 2002 | To present paper in ASRANet Symposium in Glasgow |
| Canada | 31-1-2003 | Visiting professor at MUN St. Johns |