Bharat Petroleum [BPCL] — cylinder not delivery

Address:

Thane, Maharashtra, 401107

My consumer no.124619
Maine 16.12.18 ko cylinder book kiya tha, booking no. 313423, payment debit in my sbi account rs. 781.40. Muje 19.12.18 ko sms aaya ki aap ki delivery ho gayi hai aur subsidy bhi rs. 281.93 (Cash memo no 360256) credit in my a/c. Lekin abhi tak delivery nahi hui. Maine kayi bar dev mogra agency me officer prabhakar and other staff se 19.12.18 se lagatar baat ker raha hu, sabhi bol rahe hai aaj aa jayega, kal aa jayega. Koi sahi jabob nahi de raha hai. Mai delivered ka naam, contact no office se mang raha hu, koi nahi de raha hai.
Pls help and insist me.