Corporate companies are separate legal entity and also the salary depends upon the company which is hiring you and also depends upon the abilities you have.

As far as I know the HR executive fresher salary ranges 15,000 above and it may also range upto mid 20,000. And the annual income may be upto 3Lakh or mid 4 lakh.

You workhard may be there could be chances of you getting an higher amount after an year.