When the SM receive a message from local authorities fro unsafe condition of river bunds he must issue caution order with speed ________ kmph during day. A. 15 B. 20 C. 05 D. None of these

The correct answer is: C. 05

The speed limit for vehicles when there is an unsafe condition of river bunds is 5 kmph during the day. This is to ensure the safety of both the drivers and the river bunds. If the speed limit is exceeded, it could cause the river bunds to collapse, which could lead to flooding and other damage.

Option A is incorrect because the speed limit is 5 kmph, not 15 kmph.

Option B is incorrect because the speed limit is 5 kmph, not 20 kmph.

Option D is incorrect because there is a correct answer.