Welcome to the forums! Enjoy your stay here@ TE!
Regards to your queries:
If budget is ~ 20K : iPhone 3GS
If ~ 40K : iPhone 4 or 4S, depending on what you get in your budget.
Regards to your queries:
If budget is ~ 20K : iPhone 3GS
If ~ 40K : iPhone 4 or 4S, depending on what you get in your budget.