The ISRO has successfully launched the Polar Satellite Launch Vehicle PSLV-C52 from the first launch pad of Satish Dhawan Space Centre in Sriharikota. S Somnath is the chief of ISRO.
The idea to celebrate International Mother Language Day came first from Bangladesh. The idea was approved at the 1999 UNESCO General Conference. The day has been observed every year since the year 2000.
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