Here are some numbers of cabs in NCR, if I missed any or you have any experience with using them, please share it!
(With online booking!) 44224422 (Rs. 15/km)
: 011-4533 3333 ( usually 5 mins waiting on line, and the cab has to be confirmed 1 hour before departure, pretty often turns out to be not available. But it's Rs 9.5/km...)
Semi-official cabs Gurgaon ;)
Aman - 990125446
Ankur Cab - approx 700 rs / 8hrs/80km: 0124 2577276
Arvind Kumar - approx 700 rs / 8hrs / 80 km: 9953883880
Krishna Cab - approx 700 rs (negotiate!!!) /8hrs / 80 km: 9811135248
Shree Balaji Cab - 550 rs - 6hrs, 40 km 9871356077
Yadram Cab - 9958531314
Taxi Charles: 011-47774777
Some tips (from Sunny)
- Highway toll gate is extra, so be prepared for it
- At night 11pm to 5am the charge will be higher, usually +100Rs or 10-15% more.
- some cabs in Gurgaon charge also for the way back to their garage in Delhi, so check if it's not the case