What is the main purpose behind the prohibition on Parliament or state legislatures providing any preference to one state over another in trade and commerce according to Article 303(1)?
The main purpose behind the prohibition on Parliament or state legislatures providing any preference to one state over another in trade and commerce according to Article 303(1) is to prevent the imposition of any kind of discriminatory trade practices, which may lead to an uneven distribution of resources, opportunities and economic development within the country. This prohibition aims to ensure fairness and equitable growth across all states of India.