Select the correct statement.
A. Nagpur road plan formula take into account the towns with very large population.
B. Nagpur road plan has a target road length of 32 km per 100 square km.
C. Second 20-year plan has provided 1600 km of expressways out of the proposed National highway.
D. Second 20-year plan allowed deduction of length of railway track in the area while calculating the length of roads.
Answer: Option C

According to this plan, by the end of 1963, it was planned to construct 1600km of roads per 100 sq km area i.e. 5 of different category.