Wagon Rent A Cab India Pvt. Ltd. shall not be responsible if the guest enters the wrong or non relevant reference no.. The reference no. is a 6 digit no. provided to you by the Wagon Rent A Cab executive either through email ( from firstname.lastname@example.org or email@example.com) or sms ( from +919701543000 or +917799033000). Pls. be careful while entering the data.