Obtain the experience certificate from parent company for total tenure of service.
Your tenure of service/employment has ended with your resignation.
You need to satisfy the condition of continuous/uninterrupted service as per clause 2A of payment of gratuity Act.
Section: 2A
Continuous service.
For the purposes of this Act, -
(1) an employee shall be said to be in continuous service for a period if he has, for that period, been in uninterrupted service, including service which may be interrupted on account of sickness, accident, leave, absence from duty without leave (not being absence in respect of which an order [***] treating the absence as break in service has been passed in accordance with the standing order, rules or regulations governing the employees of the establishment), lay off, strike or a lock-out or cessation of work not due to any fault of the employee, whether such uninterrupted or interrupted service was rendered before or after the commencement of this Act.
Your second tenure of service has started after issuance of appointment order.
PF should have been transferred after you signed the PF transfer forms.
If in case of your colleagues also company asked to resign but counted the period of service after resignation then you may also request good offices of your appointing authority, MD, Chairman to grant you the amount proportionate to amount as per gratuity calculation formulae and apply your goodwill, rapport, and exceptional levels of persuasion, persistence, reasoning, negotiation skills, to get the benefit.
After all you have served the employer and followed its orders.
The company has asked you to resign from second company and join parent company due to some technical reasons, which you and company would know.
If you have some clinching evidence on record you may show it to an experienced and competent labor consultant/service lawyer, advocate and your lawyer may opine that there is some way out to have a handle on your employer. However you are in the employment of same employer so you may apply your goodwill and skills to convince the good office to not to deprive you, as in case of other employees, as mentioned by you.
Employer can use its discretion and pay gratuity in your case. The amount involved must not be very high {as on average 15 days Basic+DA per year is to be paid}.The employer can pay in any shape under any head.
Valuable advice of learned experts/members is sought.