1962 : Indian National Committee for Space Research (INCOSPAR) formed by the Department of Atomic Energy and work on establishing Thumba Equatorial Rocket Launching Station (TERLS) started.
1963 : First sounding rocket launched from TERLS (November 21, 1963).
1965 : Space Science & Technology Centre (SSTC) established in Thumba.
1967 : Satellite Telecommunication Earth Station set up at Ahmedabad.
1968 : TERLS dedicated to the United Nations (February 2, 1968).
1969 : Indian Space Research Organisation (ISRO) formed under Department of Atomic Energy
(August 15, 1969).
1972 : Space Commission and Department of Space set up (June 1, 1972). ISRO brought under
DOS.
1972-1976 : Air-borne remote sensing experiments.
1975 : ISRO First Indian Satellite, Aryabhata, launched (April 19, 1975). Becomes Government Organisation (April 1, 1975).
1975-1976 : Satellite Instructional Television Experiment (SITE) conducted.
1979 : First Experimental launch of SLV-3 with Rohini Technology Payload on board (August 10, 1979). Satellite could not be placed in orbit. Bhaskara-I, an experimental satellite for earth observations, launched (June 7, 1979).
1980 : Second Experimental launch of SLV-3, Rohini satellite successfully placed in orbit.(July 18, 1980).
1981 : Bhaskara-II launched (November 20, 1981). APPLE, an experimental geo-stationary communication satellite successfully Launched (June 19, 1981). First developmental launch of SLV-3. RS-D1 placed in orbit (May 31, 1981).
1982 : INSAT-1A launched (April 10, 1982). Deactivated on September 6, 1982.
1983 : INSAT-1B, launched (August 30, 1983). Second developmental launch of SLV-3. RS-D2 placed in orbit (April 17, 1983).
1984 : Indo-Soviet manned space mission (April 1984).
1987 : First developmental launch of ASLV with SROSS-1 satellite on board (March 24, 1987).Satellite could not be placed in orbit.
1988 : INSAT-1C launched (July 21, 1988). Abandoned in November 1989. Launch of first operational Indian Remote Sensing Satellite, IRS-1A (March 17, 1988). Second developmental launch of ASLV with SROSS-2 on board (July 13, 1988). Satellite could not be placed in orbit.
1992 : INSAT-2A, the first satellite of the indigenously-built second-generation INSAT series, launched (July 10, 1992). Third developmental launch of ASLV with SROSS-C on board (May 20, 1992). Satellite placed in orbit.
1993 : First developmental launch of PSLV with IRS-1E on board (September 20, 1993). Satellite could not be placed in orbit. INSAT-2B, the second satellite in the INSAT-2 series, launched (July 23, 1993).
1994 : Second developmental launch of PSLV with IRS-P2 on board (October 15, 1994). Satellite successfully placed in polar sunsynchronous orbit. Fourth developmental launch of ASLV with SROSS-C2 on board (May 4, 1994). Satellite placed in orbit.
1995 : Launch of third operational Indian Remote Sensing Satellite, IRS-1C (December 28, 1995). INSAT-2C, the third satellite in the INSAT-2 series, launched (December 7, 1995).
1996 : Third developmental launch of PSLV with IRS-P3 on board (March 21, 1996). Satellite placed in polar sunsynchronous orbit.
1997 : INSAT-2D, fourth satellite in the INSAT series, launched (June 4, 1997). Becomes inoperable on October 4, 1997. (An in-orbit satellite, ARABSAT-1C, since renamed INSAT-2DT, was acquired in November 1997 to partly augment the INSAT system). First operational launch of PSLV with IRS-1D on board (September 29, 1997). Satellite placed in orbit.
1998 : INSAT system capacity augmented with the readiness of INSAT-2DT acquired from ARABSAT (January 1998).
1999 : Indian Remote Sensing Satellite, IRS-P4 (OCEANSAT), launched by Polar Satellite Launch Vehicle (PSLV-C2) along with Korean KITSAT-3 and German DLR-TUBSAT from Sriharikota (May 26, 1999). INSAT-2E, the last satellite in the multipurpose INSAT-2 series, launched by Ariane from Kourou French Guyana, (April 3, 1999).
2000 : INSAT-3B, the first satellite in the third generation INSAT-3 series, launched by Ariane from Kourou French Guyana, (March 22, 2000).
2001 : ISRO’s Polar Satellite Launch Vehicle, PSLV-C3, successfully launched three satellites Technology Experiment Satellite (TES) of ISRO, BIRD of Germany and PROBA of Belgium – into their intended orbits (October 22, 2001). The first developmental launch of GSLV-D1 with GSAT-1 on board from Sriharikota (April 18, 2001)
2003 : ISRO’s Polar Satellite Launch Vehicle, PSLV-C5, successfully launched RESOURCESAT-1 (IRS-P6) satellite from Sriharikota(October 17, 2003). Successful launch of INSAT-3A by Ariane from Kourou French Guyana, (April 10, 2003). The Second developmental launch of GSLV-D2 with GSAT-2 on board from Sriharikota (May 8, 2003).
2004 : The first operational flight of GSLV (GSLV-F01) successfully launched EDUSAT from SDSC SHAR, Sriharikota (September 20, 2004).
2005 : Successful launch of INSAT-4A by Ariane from Kourou French Guyana, (December 22, 2005).ISRO’s Polar Satellite Launch Vehicle, PSLV-C6, successfully launched CARTOSAT-1 and HAMSAT satellites from Sriharikota(May 5, 2005)