You may post the exact extract from appointment letter on termination/resignation. ( Noted: You served notice period as per your post).
What is your designation and nature of duties in offer/appointment letter and on record/ in practise? Did you have any power to sanction (not just recommend) leave/increment/appoint/terminate? Could anyone cancell/amend your recommendations? ( Noted; Software developer)
You were in which state ( Noted; bangalore, HO;Goa, Currently you are at Nagpur)? Does company have its office at Nagpur? Does your address in company records remain the same?
What is this establishment; Commercial/Industrial (Noted:retail company) ?
Does it have Certified/Model standing orders and does it apply to your designation?
Are you a member of employees/trade unions?
What was your last drawn salary?
You were under probation/confirmed?
Do you have acknowledgment of notice of resignation and its POD?
Did you tender final resignation? Did you write to appointing authority/MD etc that on dated................Mr/Ms..................asked you to stop coming to office?
Do you have salary slips of all months, last month,PF a/c slip of each year, Form16, FnF statement?
Has employer supplied anything to you in writng, till date?
Did you record the calls etc?
What was the max. number of employees this company had any point of time?