1.Go to your Rocket Mobile Menu by dialing *322#
2.Choose 1 For Bill Pay
3.Select 1,Self for Own Payment
Select 2 Other for Payment of Someone else
4.Choose 0.Others (1. DESCO 2.BTCL 3.DPDC 4.Dhaka WASA 5.Palli Bidyut 0.Other)
5.Enter Biller ID “3094”
6.Enter Bill Number : Serial number of Online Application.
7.Enter Amount : 2185
8.Now Enter your 4-digit PIN to confirm.
9.Done! You will Receive a Confirmation Message From 16216.
10.Then Preserve Txn ID.