Step 1: Understanding the preparation of the Indian Constitution.
The process of preparing the Indian Constitution began in 1946 with the formation of the Constituent Assembly. After several years of deliberations, the Indian Constitution was adopted on 26th November 1949 and came into effect on 26th January 1950. Therefore, it took a total of four years to prepare the constitution.
Step 2: Analyzing the options.
(A) Two: This is incorrect. It took longer than two years to prepare the Indian Constitution.
(B) Three: This is incorrect. It took more than three years to prepare the Indian Constitution.
(C) Four: Correct. It took four years (from 1946 to 1950) to prepare and adopt the Indian Constitution.
(D) Five: This is incorrect. The constitution was adopted in four years, not five.
Step 3: Conclusion.
It took four years to prepare the Indian Constitution. Therefore, the correct answer is (C) Four.