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7) Why is Polar Satellite Launch Vehicle (PSLV)  one of the world’s most reliable space launch vehicles? How is it helping India commercially and technologically? Examine.

Topic:  Achievements of Indians in science & technology

7) Why is Polar Satellite Launch Vehicle (PSLV)  one of the world’s most reliable space launch vehicles? How is it helping India commercially and technologically? Examine. (250 Words)

The Hindu