Paytm Mobile Solutions — mobile surrender to previous company

Address:

Thane, Maharashtra, 421005

Dear sir,

I had buy jupitor scooty and activa scooty in the month of december 2018 from tvs showroom in ulhasnagar-3.
On that i got four voucher for electricity payment of 1500 each and cash back.
During that i had done transaction from my mobile which was registered by [protected] number which unfortunately i had surrendered to my previous employer in december 2018.
Also i had forgot my password now. It was completely vanished from my mind.
Please help me to use my voucher before by march 2019.
Thanking you