Central Sector 1654.06 3058.27 4528.98 4710.51 5199.79 5727.79 6884.80 8706.03 10150.99 11835.76
State Sector 162.78 365.92 561.50 593.06 657.02 855.07 926.76 1026.54 1177.46 1350.56
Private Sector 251.94 549.98 982.54 1318.87 1627.07 2330.75 2438.25 2790.41 3365.38 4058.83
Higher Education Sector 361.53 378.56 396.39 415.06
   
Total 2068.78 3974.17 6073.02 6622.44 7483.88 8913.61 10611.34 12901.54 15090.22 17660.21
 
Source  :    1.     Data collected and compiled by DST.
                  2.     Data for 1948-49 and 1950-51,  Science Policy and Organisation of Scientific Research in India page 99.
                  3.     Data up to 1970-71,  Report on Science and Technology, 1970-71 brought out by COST.
Note    :      1. *   Estimated       
                  2.     Data for 1948-49 represents only expenditure of CSIR, ICAR, ICMR and DAE.
                  3.     A number of organisations are engaged in scientific and technological activities such as weather forecasting, geophysical surveys, teaching,
consultancy etc. In addition they also undertake research for which in a number of cases no separate account is maintained. Wherever such
details have not been provided, their expenditure on research has been estimated.
                  4.     The number of R&D units in the private sector varies from year to year as per the DSIR recognition.
                  5.     Data refers to 1207 in-house R&D units of  Private Sector Industries which include 176 SIRO units and projected data for 63 in-house R&D units.
                  6.     Data for the year 1999-00 and 2000-01 has been estimated by applying the rate of growth for the period 1994-95 to 1998-99 sector-wise.
                  7.     Data for the year 1996-97 onwards includes 201 pivate sector firms doing R&D with paid up capital of more than Rs.50 lakhs and above but not recognised by DSIR
                  8.     Higher Education Sector incudes data from 106 universities and 27 PG colleges doing R&D but excludes R&D expenditure of 21 State Agricultural Universities
                          and extramural project funding of central funding agencies.Data for the year 1998-99 onwards has been estimated by applying the rate of growth for the previous 3 years
                          on the expenditure in Higher Education.
                  9.     State Sector includes R&D expenditure of State Agriculture Universities.
                10.     Data for Private Sector for the year 1996-97 onwards includes R&D expenditure of Small Scale Industry(SSI) Sector. 
                11.     N.A.  : Not available.       
                12.     R&D : Research & Development
                13.     Central Sector   =   Central Govt.  +   Public Sector
                14. 1 crore=10 million