Which of the following statements is correct?

a- The IRS satellite system became operational with the launching of IRS-IA in March 1988 from Shriharikota..

b- These satellites collect data in several spectral bands and transmit them to the ground stations for various uses.

Only statement b is correct.

The IRS satellite system became operational with the launching of IRS-IA in March 1988 from Vaikanour in Russia. India has also developed her own Launching Vehicle PSLV (Polar Satellite Launch Vehicle).