Who was the first female Governor of India?
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Indian Constitution came into force on
Bharatiya Janata Party is a part of which political group?
__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.
What is the process of waste water treatment is commonly known?
In which of the following situations is mechanical energy most likely to be conserved?
With which country India has recently signed a MoU for Water Conservation in India?
The chemical that is used to ripen mangoes is