Hinduja Global Solutions — About my experience letter

Address:

Viman nagar pune 411014

My name is karthik gettiboina I have joined in hgs in 2018 I worked till 2020 Jan 31st after my resignation...
Hr told that we will provide letter of experience via mail.
But now it's 2023...
I have sent lot of mails but they send me only reling and service letter .
But m sharing that on current company they are not excepting ND asking for experience latter But hgs not providing me proper experience letter and also now there is no branches company was totally closed for life time...what to do now what about my experience une viman nagar