Reliance Industries — Not giving dividends from last 10 +years

I wrote so many mails to Reliance industries and Registrar of companies, Mumbai in this regard but nothing happened till today.
Reliance industries is neither updating my present address in its record book nor updating my bank account and demate account to transfer devidends amount.
I already supplied my share certificate, bank details, phone number ( [protected], still not updated by the company in its record), mail Id ( as I use to get annual report on my mail id regularly)
Even Registrar of companies, Mumbai has not done anything in my matter .
Want to know what to do d