Short answer

Cross-currency derivatives include contracts like EUR-USD, GBP-USD and USD-JPY where INR is not a component in the currency pair. You cannot trade cross-currency derivatives on iRage.

Available instruments on NSE currency derivatives segment

You can trade these instruments:

Currency F&O on 4 currency pairs (USDINR, EURINR, JPYINR, and GBPINR)

Interest rate F&O on Government Securities (G-Secs)

91-Day Treasury-Bills (T-bills)

Overnight MIBOR (ONMIBOR)