The best time to trade these are from 6:30 pm IST to 10 pm IST.
Also, please keep in mind the EIA(Energy Information Administration) and API (American Petroleum Institute) data is due every Wednesday and Tuesday for crude at around 8 pm.
Focused on LME (London Metal Exchange) Inventories, This inventory Report released daily around 1.30pm to 2.00pm.
Also, you may want to sidestep trading in natural gas on Fridays at around the same time for the same reasons.
This results in huge volatility at those times. It may be best to sidestep when the data is likely to be announced.