Step 1: Understanding the Enactment of the Income Tax Act.
The Income Tax Act, 1961, is the governing legislation for income tax in India. It was enacted by the Parliament of India to consolidate and amend the law relating to income tax.
Step 2: Explanation of Other Options.
- (a) The Income Tax Act was not enacted in 1951.
- (c) 1971 is incorrect as the Act was already in force by then.
- (d) None of the above is not correct because the correct year is 1961.
Step 3: Conclusion.
The correct answer is (b), the Income Tax Act was enacted in 1961.
Match List-I with List-II:
\[\begin{array}{|l|l|} \hline \textbf{List-I} & \textbf{List-II} \\ \hline \text{(A) Sale of jewelry} & \text{(I) Income from Salary} \\ \hline \text{(B) Pension from former employer} & \text{(II) Capital gain/loss} \\ \hline \text{(C) Salary received from a partnership firm} & \text{(III) Income from other sources} \\ \hline \text{(D) Income from sub-letting of property} & \text{(IV) Profits and gains from business or profession} \\ \hline \end{array}\]