Firstly the CTC must be decided upon which 40%, 45%, 50% or even max of 60% can be basic.
If employee has to be paid PF, Basic must be bewteen 4000 to 6500/-. any thing above 6500/- has an choice in opting PF or not.
HRA is 50% for Metro and 40% to other cities.
Cost on PF is 12% employee and Employer. Admin charges born by employer 1.4 %.
Any further info required, please feel free to ask me.
Regards
Prasad