Clocks of control office shall be synchronized with All India Radio at 08:00 hours, A. 14:30 B. 12:30 C. 15:30 D. 13:30

14:30
12:30
15:30
13:30

The correct answer is A. 14:30.

All India Radio broadcasts the time signal at 08:00 hours, 12:00 hours, 14:30 hours, and 16:30 hours. The clocks of control offices are synchronized with All India Radio at 08:00 hours.

Option B is incorrect because it is the time of the second time signal broadcast by All India Radio.

Option C is incorrect because it is the time of the third time signal broadcast by All India Radio.

Option D is incorrect because it is the time of the fourth time signal broadcast by All India Radio.