Booking a Tempo Traveller on rent in Delhi for a family trip is a simple process. First, research online for reputable and reliable rental services that offer Tempo Travellers. Next, select the desired vehicle and confirm its availability for the dates of your trip. Provide all necessary details such as pick-up location, drop-off location, and the number of passengers. Pay the required deposit or rental amount to secure the booking of Tempo Traveller in Delhi. Be sure to read and understand the terms and conditions of the rental agreement. Finally, on the day of the trip, arrive at the designated pick-up location and start your journey.