finally got the tyres today.

ATF sand/highway 7.50x16" cross ply tyres.

http://www.atftyre.com/agricutural-tractor-front.html

final price is 4.5K per tyre including transportation.

now need 16" steel rims ASAP.

NOTE: after receiving the tyres & tubres , now i am thinking that i should have bought 7.50x16 MRF tubes.