How many rupees is equal to 48.4billion dollars?

Answer 1

You need to specify which dollars.

If US Dollars,

The current exchange rate is:

$1 to Rs. 56 (as of 3rd August 2012 4.30 p.m. GMT +0800)

Therefore, the answer you want is: Rs. 2, 710,400,000,000

However, the exchange rates change every minute, so the answer may not be the same when you view this. It is subject to minimal changes from minute to minute, this does not apply when comparing on a day to day basis - that may change rather significantly.