Unless your employer in the employment contract mentioned that your job would become permanent after a certain time period, your employer is not obligated to make your job permanent. Other than that, as far as it is about the esop investment, I couldn't make out your claim about that. So, you can contact me on 7601090381 or firstname.lastname@example.org with complete query.
As per your submission it reveals that this is a matter of permanancy of job
If it is mentioned in appointment letter that you would get permanent, after some years and company not issuing order for permanent employee
In such situations you can file petition before Honourable labour commissioner court
You can file civil suit or writ petition