Barbu.
With respect, your scanned images are not sufficient to identify correctly.
Students should always try and post scans of the best qualilty possible for identification.
I liken it to a jeweller, try and get a diamond ring appraised from 3 feet away.
I can assist with India to some degree, we also have an Indian specialist Tony Mac,
who may be the most experienced here, esp in the "uglies"
Try and rescan your India example, say around 250-300 dpi, and re post.
I'll do my best, we should be able to identify it.
From the blurry image, looks like "All India Series"
Bombay Madras Circle.
I am having trouble seeing the Capital between 5 parallel Bars.
Guess:
M= Madras (M-6)
Here you go, something to get your teeth into........
http://www.surinder-singh.com/cance...hilately.php