The Yamaha R15 V4 is the best bike for performance, with a top speed of 155kmph and a 0-100kmph time of 7.17 seconds. It has a refined engine and a smooth transmission, making it a great choice for those who want to experience a powerful ride. 

The Bajaj Pulsar NS200, on the other hand, has a slightly less powerful engine but is still a great option for those who want a good all-rounder. Its 0-100kmph time is 8.5 seconds and its top speed is 130kmph, making it a great choice for those looking for a bike that can handle everyday city riding. Both bikes offer good fuel efficiency, so you can pick the one that suits your needs and budget best.