The Ria will need 63. 76 rupees Indian Rupee to buy one dollar.
The value of the rupee in terms of the dollar is 63.76 rupees and the value of the dollar in terms of the rupee is 0.015$.
Therefore, to pay fees of the annual tuition of amount $42000, she would be paying:
[tex]\begin{aligned}1 \:\rm Dollar &= 63.76\:\rm Rupees\\42000 \:\rm Dollar &= 63.76 \:\rm Rupees \times 42000 \:\rm Dollar\\&= 26,77,920 \:\rm Rupees\end{aligned}[/tex]
Therefore, the correct option is C.
To know more about the calculation of the conversion of rupees to the dollar and vice-versa, refer to the link below:
https://brainly.com/question/2386110