If NHAI could receive a total of Rs. 9,695 crores as External Assistance, by what percent (approximately) should it increase the market Borrowing to arrange for the shortage of funds?

Answer: Option C

The amount require for compensation
= 11486 - 9695
= Rs. 1791
% increase in market borrowing
$$\begin{array}{rl}& =\frac{1791}{29952}\times 100\%\\ & =5.9\%\\ & \approx 6\%\end{array}$$