Step 1: Understanding the question.
The question asks about the year the new industrial policy was introduced in India. The New Industrial Policy of 1991 was a major shift in India's approach to economic liberalization, encouraging private investment and foreign trade.
Step 2: Analyzing the options.
(A) 1981 में: This is incorrect, as the new industrial policy was not introduced in 1981.
(B) 1990 में: This is incorrect, as the policy was officially introduced in 1991.
(C) 1991 में: Correct — The New Industrial Policy was implemented in 1991, marking a new phase of economic reforms.
(D) 2001 में: This is incorrect, as the policy came into effect in 1991, not 2001.
Step 3: Conclusion.
The correct answer is (C) 1991 में, as the New Industrial Policy was launched in 1991.