For the following questions answer them individually
Which law states that the volume of an ideal gas at constant pressure is directly proportional to the absolute temperature?
On August 2019, Rambir Singh Khokhar won the ‘Dronacharya award’ in the lifetime category for his contribution in ______.
Who threw a bomb in the central legislative assembly along with Bhagat Singh to protest against the Public Safety Bill in 1929?
Which company was ranked as the largest profit making PSU in India for the fiscal year 2018-2019?