Cemtex Dep — Credited money

Address:

Karimnagar, Andhra Pradesh, 505327

My account in sbi i have been credited 1000 rs from cemtex dep could u plz tell wat is this from where does it comes can i use that money.. By credited this money can be in trouble...
Plzzzz help me from this i am getting confused
And i didnt attach this account to any gas subsidy from where this money coming from pleaseee solve my problem

Thank you...