A nice collection of hand-painted kitschy posters of Hindi horror flicks (I vaguely remember watching a few of these) can be found here. These are scary (read amusing). A few samples:
Via Peex Blog
More Indian horror film posters (including Hindi dubbed versions of South Indian films) are listed here.
In case you're interested in some C-grade A-rated tiltilation, here is another sizeable collection of posters
Related post: Painted Dreams