Who was the first Speaker of Lok Sabha?
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Right To Information (RTI) Act came into effect in the year
Metal oxides which react with acids as well as bases are called
Which State in India is the highest producer of raw silk?
Acacia arabica is the scientific name of
Deficiency of which vitamin causes night blindness?
Who studied the relationship between music intervals?
Gol Gumbaz was built in which century?