Since 1 Indian Rupee is equal to 1.6992838259912293 Japanese Yens, we could say that n Indian Rupees are equal to 1.6992838259912293 times n Japanese Yens. In other words, we could use the following formula:
Japanese Yens = Indian Rupees x 1.6992838259912293
For example, let's say that we want to convert 2.0 Indian Rupees to Japanese Yens. Then, we just replace Indian Rupees in the abovementioned formula with 2.0:
Japanese Yens = 2.0 x 1.6992838259912293
That is, 2.0 Indian Rupees are equal to 3.3985676519824586 Japanese Yens.