Online Car Booking System is a system build to deal with problems faced in transportation. Major problems faced in this transport sector are such as task allocation, tracking of Online Cars, assigning routes, payment, booking order, delivery report, generating transactions receipt, overworking of the employees, security of goods, users, drivers and also maintenance of the Online Cars in terms of finance and time consumption.Online Car Booking System will be able to solve major problems such as task allocation where by a GPRS will be mounted in all Online Cars and cab to ensure that each and every vehicle and cab is traced and assigned a tasks at a time, also keep track of all financial reports and expenses incurred in the organization by ensuring that all payments are made through credit/debit card or pay bill. The system will be able to have details of all the customers who has booked Online Car and also view the vehicles with tasks at hand and those without.