Bus on Rent service in Delhi is the best option for group travelling for several reasons. Firstly, it is a cost-effective option as the cost of hiring a bus is divided among the group members, making it affordable for everyone. Secondly, it offers comfort and convenience, as you can travel together and enjoy the journey in a spacious and comfortable bus. Thirdly, it is a flexible option as you can plan your itinerary and travel at your own pace. Fourthly, it saves time as you can avoid the hassle of public transportation and reach your destination directly. Overall, the bus on Rent service in Delhi is an excellent option for group travelling.