You grossly erred by not questioning.
If unplanned leave is not acceptable to company then it can decline to approve in writing.
The reply has to be supplied in writing within 3 days.
You may go thru Model Standing Orders Sec13-18.
The PF is managed by EPFO the funds in your PF a/c is not in control of employer.
HR is not your employer, he /she is just another employee in the company.Don't remain entagled with HR and submit all representations to appointing authority,MD.
PF: For withdrawal/transfer submit PF forms by redg. post under proper acknowledgment and obtain POD (free) and certified copy of run sheet of postman (against Rs.10/) from PO. The designated HR person has to submit forms to EPFO within 5 days and supply acknowledgment issued by PF office (for you) to you by effective mode of communication. Demand it by Redg. post only. You are eligible for full funds in PF a/c.
If HR/employer declines to attest PF forms it is cognizable offence.
Gratuity: You may narrate all representations made by phone/emails/in person (mention names, phone numbers, dates, brief minutes of discussion......................) and that notice of determination and payment of gratuity has not been supplied to you and FormI is attached.........................
Employer has to pay gratuity even if no application is made by employee.
Demand payment certificate issued by FI that managed Gratuity e.g. LIC…………………… The establishment can not keep a penny from payment released from Gratuity fund even if amount calculated as per formulae of calculation of Gratuity:
{(Basic+DA) /26*15*No. of years of service}
Is less than amount released by FI.
You are eligible for interest @10%pa.
It shall be appropriate to consult an able Labor Consultant/Service Lawyer and proceed under expert advice of your lawyer.