Since 1 Sri Lankan Rupee is equal to 0.368389194617 Indian Rupees, we could say that n Sri Lankan Rupees are equal to 0.368389194617 times n Indian Rupees. In other words, we could use the following formula:
Indian Rupees = Sri Lankan Rupees x 0.368389194617
For example, let's say that we want to convert 2 Sri Lankan Rupees to Indian Rupees. Then, we just replace Sri Lankan Rupees in the abovementioned formula with 2:
Indian Rupees = 2 x 0.368389194617
That is, 2 Sri Lankan Rupees are equal to 0.736778389234 Indian Rupees.