give the full form of the following :
1) PSTN
2) NIC
3) ITU
4)COMSATs
5) SATCOMs
6) SATPHONE
7) ASOL
8) INSAT
9) IRS
The agency responsible for the development of space science programmes in India is:
(a) INSAT
(b) ORS
(c) IRS
(d) ISRO
Write the full name of INSAT.
Write the full name of IRS.