Originally Posted by
Bioflyer
As Keyser said its 2 pcs with 32kg each and your immigration/customs would be at BOM also luggage checked all the way to BOM with only an A/C change in DEL - you would be handed your DEL-BOM BP in SFO itself - you just need to get through the transit security in DEL which is pretty straight forward!
I think you should verify the customs detail. General convention is to clear customs at the first port of call which would be DEL if you are on the way to BOM. You will have to collect your luggage and then put it back in usually. 1 hr might be a tough ask in T3