I honestly don't know about Kelly Heroes film location ITTL.Snip
1. Pakistan become a more moderate nation, and I guess extremists is not as problematic as OTL. However, we would see more Anarchist ITTL due to large red nations.
2. This is a tricky one, and I think is quite good. Bangladesh still suffered Pakistani's Bengal discrimination like OTL. However, it was funded by not the Indians, but by Thailand in the 70s for part of its alliance expansion. However, since Thailand is joining up with China, Bangladesh is allying its former overlord because India is threathening them.
3. The British Empire liberate Sri Lanka during the African Implosion, as part of abandoning all ruckus. Sri Lanka now teeters between Indian sphere and Indo-American influence.
Scandinavian countries become German allies of EEZ, which was supposedly economic alliance, but there are military involvements.Snip
I actually don't know what Hejaz are you talking about. If it's Transjordan, it is incorporated into UASR.