(i) "Direct and active participation of state was considered essential in Industrial development process in period 1950-1990." Justify the given statement with valid explanation. (ii) "New Economic Policy 1991 altered the role of Reserve Bank of India (RBI) in the economy." Justify the given statement with valid explanation. (i) Explain the changes that were observed in India's occupational structure during the British rule. (ii) "Navratan Policy of the government has helped in improving the performance of Public Sector Undertakings in India." Do you agree with the given statement ? Justify your answer with valid arguments.