There are two types of travel cards: One-day card and three days card.
You can get this tourist card at any of Delhi's metro stations. With this card which has a validity of one day or three days, you can travel unlimited times inside Delhi Metro. You will not have to pay any extra charge for this.
The price of a tourist card with a validity of one day is Rs 200, of which Rs 50 is refundable and the price of a three-day tourist card is Rs 500.
Tourists can also download the official app of 'Delhi Metro Rail' (DMRC App) to plan their travel.