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17- September-1997	Kalpakkam Mini Reactor (KAMINI), the only U-233 fuelled operating reactor in the world, attains maximum capacity of 30 KW.
29- September-1997	IRS-1D, fourth Indian Remote Sensing satellite, successfully launched off by PSLV-CI, the country's first operational polar satellite launch vehicle, from Sriharikota. With this launch, India became a member of the exclusive club of nations capable of launching the heavier class of satellites.