West of the runway and to the sse of the hangars, in front of the octagonal building. The Dak is hidden under the trees, but the other two are out in the open. Apart from the dak, it's impossible to tell what the others are really, but trust me
Here's another set of coords(apologies if they're the same):
20 53 01.41 N
95 53 31.56 E
As to the ID on the other A/C - they could well be chinky. They govt do deal with them...my spotting skills aren't up to it!
Saw the Indian AF display team at RGN a few years ago by chance. Not quite the Reds, but ok. Flew some indian built a/c that I can't remember the name of...