Step 1: Understanding the Kothari Education Commission
- The Kothari Education Commission, also known as the Indian Education Commission, was constituted by the Government of India in 1964. It was tasked with recommending measures for the development of education in the country.
Step 2: Analyzing the options
- (A) 1960: The Kothari Commission was not established in 1960.
- (B) 1964: Correct. The Kothari Education Commission was constituted in 1964, under the chairmanship of Dr. D. S. Kothari.
- (C) 1955: The Kothari Commission was not formed in 1955.
- (D) 1970: The Kothari Education Commission was not formed in 1970.
Step 3: Conclusion
Thus, the correct answer is (B) 1964, as the Kothari Education Commission was constituted in that year.
\[
\boxed{\text{Correct Answer: (B) 1964}}
\]