For the following questions answer them individually
Part ______ of the Constitution of India provides for freedom of trade and commerce within the country.
Rathwa ni Gher is a dance performed on the occasion of ______ by the Rathwa tribe of Gujarat.
India's average exponential growth rate (population) for the period 2001-2011 was ______% per annum.
______ succumbed to injuries inflicted on him during a peaceful demonstration against the Simon Commission.