Reliance Bigtv — pre booking for new connection

I have booked a connection on mobile no [protected] i received a call from their installer on 2 09 18 but he said he has no work order so many times i have mailed & contact at their customer service number but everytime replied that our database is not showing your booking details why please reply & installed the connection booked on 1st march 2018 details attached payment details for pre booking receipt cum invoice no dl[protected] smart card no 12506607 transaction reference no lic[protected] payment date & time[protected]:03:20 payment amount 499 payment mode debit