| 3360-F & 3367-F dt. 04.04.1987 | 01-03-1987 | 4% |
| 12890-F dt. 28-11-1987 | 01-12-1987 | 8% |
| 5690-F dt.17-05-1988 | 01-06-1988 | 13% |
| 610-F dt.17-01-1989 | 01-02-1989 | 18% |
| 5619-F dt. 20-05-1989 | 01-06-1989 | 23% |
| 11560-F dt. 20-10-1989 | 01-11-1989 | 29% |
| 5075-F dt. 24-05-1990 | 01-06-1990 | 34% |
| 11715-F dt. 22-11-1990 | 01-12-1990 | 38% |
| 2880-F dt. 26-03-1991 | 01-04-1991 | 43% |
| 11210-F dt. 05-12-1991 | 01-01-1992 | 51% |
| 10485-F dt. 14-10-1992 | 01-11-1992 | 60% |
| 7801-F dt. 02-07-1993 | 01-07-1993 | 71% |
| 12550-F dt. 26-11-1993 | 01-12-1993 | 83% |
| 4130-F dt. 12-04-1994 | 01-05-1994 | 92% |
| 10410-F dt. 28-10-1994 | 01-11-1994 | 97% |
| 975-F dt. 31-01-1995 | 01-02-1995 | 104% |
| 5733-F dt. 01-06-1995 | 01-06-1995 | 114% |
| 11200-F dt. 13-11-1995 | 01-12-1995 | 125% |
| 955-F dt. 29-11-1995 | 01-12-1995 | Rs. 100/- (I.R) |
| 2675-F dt.08-03-1996 | 01-04-1996 | 136% |
| 7756-F dt. 27-08-1996 | 01-10-1996 | 148% |
| 2896-F dt. 27-03-1997 | 01-04-1997 | (I.R. 10% or min Rs. 100/-) |
| 6695-F dt. 25-07-1997 | 01-08-1997 | 159% |
| 10705-F dt. 10-12-1997 | 01-12-1997 | 170% |
| 2590-F dt. 02-04-1998 | 01-04-1998 | 182.4% |
| ROPA 1998 (7306-F dated 16.10.1998) | | |
| 7308-F dt. 16-10-1998 | 01-04-1997 | NIL |
| Do | 01-08-1997 | 4% |
| Do | 01-12-1997 | 8% |
| Do | 01-04-1998 | 13% |
| Do | 01-11-1998 | 22% |
| 7285-F dt. 26-07-1999 | 01-08-1999 | 32% |
| 3230-F dt 04-04-2000 | 01-04-2000 | 37% |
| 7640-F dt. 06-09-2000 | 01-10-2000 | 38% |
| 6110-F dt. 27-06-2001 | 01-07-2001 | 41% |
| 6815-F dt. 27-06-2003 | 01-07-2003 | 45% |
| 7848-F dt. 12-08-2004 | 01-09-2004 | 49% |
| 3134-F dt.04-04-2005 | 01-04-2005 | 52% |
| 7390-F dt 19-08-2005 | 01-09-2005 | 55% |
| 9110-F dt. 11-11-2005 | 01-12-2005 | 59% |
| 1699-F dt. 27.02.2006 | 01.03.2006 | 61% |
| 4760-F dt. 27.06.2006 | 01.07.2006 | 64% |
| 6568-F dt. 01.09.2006 | 01.09.2006 | 67% |
| 1-F dt. 02-01-2007 | 01.01.2007 | 71% |
| 2415-F dt. 27-03-2007 | 01.04.2007 | 50% Merger of D.A |
| 2416-F dt. 27-03-2007 | 01.04.2007 | 24% D.A calculation of B.P.D.P |
| 13-F dt 01.01.2008 | 01.01.2008 | 29% D.A calculation of B.P.D.P |
| 4236-F dt 12.06.2008 | 01.06.2008 | 35% D.A calculation of B.P.D.P |
| 8195-F dt. 04.11.2008 | 01.11.2008 | 41% D.A calculation of B.P.D.P |
| 1370-F dt. 12.02.2009 | 01.03.2009 | 47% D.A calculation of B.P.D.P |
| ROPA 2009 (1690-F dt. 23.02.2009) | | |
| 1692-F dt. 23.02.2009 | 01.04.2008 | 2% |
| -Do- | 01.06.2008 | 6% |
| -Do- | 01.11.2008 | 9% |
| -Do- | 01.03.2009 | 12% |
| -Do- | 01.04.2009 | 16% |
| 10301-F dt. 03.12.2009 | 01.12.2009 | 22% |
| 2580-F dt. 09.04.2010 | 01.04.2010 | 27% |
| 10850-F dt. 23.11.2010 | 01.12.2010 | 35% |
| 11080-F dt. 12.12.2011 | 01.01.2012 | 45% |
| 10615-F dt. 31.12.2012 | 01.01.2013 | 52% |
| 8840-F dt. 16.12.2013 | 01.01.2014 | 58% |
| 143-F dt. 09.01.2015 | 01.01.2015 | 65% |
| 8430-F dt. 14.12.2015 | 01.01.2016 | 75% |
| 18-F dt. 02.01.2017 | 01.01.2017 | 85% |
| 5724-F dt. 12.09.2017 | 01.01.2018 | 100% |
| 4037-F dt. 21.06.2018 | 01.01.2019 | 125% |
| ROPA 2019 (5562-F dt. 25.09.2019) | | |
| 78-F dt. 08.01.2021 | 01.01.2021 | 3% |
| 850-F dt. 24.02.2023 | 01.03.2023 | 6% |