In my experience you're unlikely to get AC rooms on that kind of budget, this being India there are always exceptions to the rules but a room budget 0f 400 rupees won't get you AC in most places!!
Hotels in India don't usually provide a mossie net, so it may be better to carry your own, as wwusa says putting them up can be a worry, I recommend, gaffer tape, a good knowledge of knots, some blue tack and a good eye for geometery, oh and a Blue Peter Badge (not from ebay)
A moving fan helps, as does the plug in mossie zapper, available all over India................
So the lowdown on "travelling nets'
Ideally your net should be based on the idea of "one hang point" lots of nets on the market are for residential use, With four or more "hang points" this is to all intents and purposes, useless for travelling!!
Trying to sort out just one "hang point" will often have you wishing you had been in the Guides/Scouts.
So ok we've got the single "hang point" net sorted.........................now you have to hang it!! Not a problem you might thinik. Well your bed's under the moving fan, there's not a hook in sight and you didn't bring a drill (silly me)
So tonight's task is to string a piece of parachute twine between two points, that allows for a "hang point" that gives you some feeling of space and protection and doesn't bring any tangled issues with the fan!
Hah it's going to be a long night!!
So with some measure of common sense, a few hitches to pipes, grills, coat hook's and a planning process worthy of Google, you've laid the line to hang your precious "one Hang Point" mossie net.
It's gone twelve, there's a shrill buzz within the net and you need a pee