CESC (Calcutta Electric Supply Corporation) — Bill Amount debited from bank account but no transaction slip/acknowledgement received

My consumer number is [protected]. I made a payment of Rs 934.56 to CESC on 16/09/2015 using SBI Bank Net Banking. The amount was debited from my account but no transaction slip/receipt was generated. Please send my transaction receipt to my email ID ([protected]@gmail.com) as soon as possible. Otherwise please reverse the transaction so that the funds are credited back into my account.