In India all of the following are sources for government revenue, except?
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Contraction of heart is also known as
____ tissue changes the diameter of a blood vessel.
The existence of a parallel economy (black money) ___________.
The demand curve _____.
India and which country, on 25 October, 2017, agreed to implement helicopter operations from ships to strengthen maritime security?
As per the Annual Status of Education Report (ASER) 2020, what percentage of surveyed children had access to live online classes?