Delhi Jal Board — refund of extra bill paid to djb

Address:

D1 104 second floor sec 11 rohini 85

K no is [protected].. Wrong bill was sent to me which i paid in hurry... After goung to the office i came to know i jv paid extra amount of bill... Plz sir refund my extra - 1232 to my account as it cant be adjusted in my future bills as i always use water under 20 kl free limit... Kindly refund my amount asap... Bcoz soon i m going to sale my house too... If it wouldnt be return it would be completely a loss amount for me