Criteria for OBA Award for Significant Achievement
1. Shall be an Old Boy
2. Must have studied in the School for at least 1 year
3. Prominence and acclaim in their chosen field
4. Record of innovation, excellence and achievement beyond the norm.
5. Provides inspiration and leadership to present students and young alumni
6. Impact on younger Old Boys and pupils of the School
7. Continuing contribution to the OBA
As many awards as the Sub-Committee thinks fit shall be given every year
Recipients of the OBA Lifetime Achievement Award
| Year | Name | Batch |
| 1996 | Christopher Lynn | 1952 |
| 1997 | Fr. Simon Furtado, SJ | 1938 |
| 1998 | Sabeer Bhatia | 1984 |
| 1999 | Mark Mascarenhas | 1972 |
| 2000 | Joseph Yuvaraj Pillay | 1950 |
| 2001 | Keki B. Tarapore | 1941 |
| 2002 | Jimmy Anklesaria | 1972 |
| 2003 | Irfan Razack | 1968 |
| 2004 | Denis H. Noronha | 1940 |
| 2005 | Anand Nayak | 1966 |
| 2006 | Rahul Dravid | 1989 |
| 2007 | Mario de Miranda | 1943 |
| 2008 | Dipankar Banerjee | 1967 |
| 2009 | Ravi V. Melwani | 1983 |
| 2010 | Fr. Hedwig Da Costa, SJ | 1952 |
| 2011 | Ashok Nayak | 1966 |
| 2012 | Luis Miranda | 1976 |
| 2013 | Subir Sachdev | 1976 |
| 2014 | Rahul Sarpeshkar | 1984 |
| 2015 | Dr. Ragavendra R. Baliga | 1975 |
| 2016 | Dr. Clement S. Rajan | 1969 |
| 2017 | Dr. Gerard Aranha | 1960 |
| 2018 | George Kurian Thomas Kurian | 1983 1983 |
| 2019 | Cecil Noronha Stan Thekaekara Air Marshal Trevor R. J. Osman, PVSM, AVSM | 1954 1967 1954 |
| 2020 | Dr. S. Chinny Krishna Dr. Tacey Viegas | 1959 1973 |
| 2021 | Dr. Chandu Visweswariah Dr. Joy A. Thomas Dr. Rajen Dias Shubhendu Ghosh Lt Gen Venugopal Menon, SM, VSM (Retd) | 1977 1977 1972 1969 1973 |