Mustajab Ahmed Siddiqui, better known as Shelle, has been painting book covers for Hindi pulp fiction for many years now. The style is distinctive and has been copied by many imitators - you'll have seen it if you've ever glanced over a railway station bookstall at all the hindi books.
Here's a photo set of his covers. This contains about 50 of them - will add to the set as I scan books from my collection:
Recently, Blaft publications brought out a post card book of his covers, titled Heroes, Gundas, Vamps, and Good Girls: Hindi Pulp Cover Art. This contains 25 covers, and also a short blurb providing a translation and some context around the cover. The collage cover of this one's a piece of art in itself: