Just to reiterate what others have said before - unfortunately 35k now (and 15k later) would not be enough to get good AVR + separate subwooder, fronts & backs bookshelves, and center. You are looking at at least 80k-100k for the entire package if you pick up anything that is branded hifi.
I think Sonodyne is the most VFM brand you can buy in India. 4 Sonus 1501s bookshelves (27k) + C2501 centre (8k) + Roarr 210 subwoofer (22k) - 57k for speakers alone. AVR another 20k - almost 80k for AVR+speakers. If you replace fronts with 2504 floorstanders, another 10k. Lower configs of Boston Accoustics etc are priced even higher
Given your constraints, there are two options
1. Adjust your requirements a little lower and select a good 5.1 HTIB. Boston Acoustics XS 5.1 + Pioneer AVR, or a Denon X500 or a Onkyo HTS 3400. They will sound very clear and the sub will have good punch, but not as much as you are looking for
2. Wait a little, manage the extra 15k and pick up the Pioneer HTP RS33 for about 45k. It is composed of 2 floorstanders, 2 backs, 1 centre and 1 subwoofer along with a Pioneer AVR. It will provide high bass, like you are looking for. I'd personally go for the second one, as it looks quite awesome too