You are not sitting idle and should be eligible to get interest @10%pa for the delayed period…
There are many unions in Karnataka….that can support and help
GO thru list at website of Dept. of labor Karnataka and also search yourself and ask around…
e.g;
https://labour.kar.nic.in/labour/trade-unions-list.htm
https://www.indiacom.com/yellow-pages/trade-and-labour-unions/bangalore/
Check at O/o Controlling Authority of Gratuity at your location and seek support and help from Authorized representatives appearing there….
GO thru;
THE PAYMENT OF GRATUITY ACT, 1972: 3,7, 7A,7B,8
The Labor Inspector may also be the Inspector appointed under the Act….
You can ask the Inspector…
The Inspector might have asked you to submit the prescribed form e.g; FormI…
You may also go thru;
THE PAYMENT OF GRATUITY (CENTRAL) RULES, 1972
https://maitri.mahaonline.gov.in/pdf/payment-of-gratuity-act-1972.pdf