For the following questions answer them individually
Which of the following oil companies started an LPG bottling plant in Balangir district of Odisha in December 2019?
How many fundamental duties are set out in Part IV A (Article 51A) of the Constitution of India?
According to a report released by Greenpeace in Aug, 2019, India is the highest emitter of which of the following pollutants (gases)?
Which of the following symbols must be used before a formula in a Microsoft Excel sheet?