You should provide full information, pointwise!
What is this establishment registered as: Commercial,Industrial?
What is its line of business:IT,ITeS,banking etc?
How many maximum persons are employed in it at any point of time?
The Redg Office,Corporate Office of the company, and your reporting office was located in which state?
What was your designation and nature of duties?
Do you have leave policy, HR policy,Service Rules and Regulations,Conduct and Discipline Rules, exit policy,FnF policy etc that are mentioned in writing to you say in the appointment letter?
Was any appointment letter,salary slip of each month,PF number with a/c slips,ESIC card,Form16, I.Card, given to you?
Is it stated in appointment letter, , HR policy,Service Rules and Regulations, appraisal policy etc that your are entitled for annual increments?
Did you resign in writing under proper acknowledgment (followed by letter under acknowledgment or by Redg. Post) , and mention NO tasks are pending at your end and to whom you should handover the charge?
What was your designation and nature of duties? Did you have any power (not jus recommendations) to sanction leave/increment/appoint/terminate? Can your sanction or recommendations, be cancelled by anyone above you?
Has acknowledgment of notice of resignation, supplied to you?
Do you have copy of the resignation?
Did you narrate the reason of resignation in resignation i.e. declinature to grant annual increment?
Do you have copy of the exit from submitted by you?
What is the notice period inserted in appointment letter?
What is the notice period tendered by you?
Are you a member of any employee’s/Trade Unions?
What was your monthly salary?