The RTO charges depends upon the state and city you live in. In New Delhi the RTO charges of Micra Active is Rs 21,831 for XL model and Rs 23,084 for XV model.In Jaipur for the same XL you have to pay Rs 25,690 and Rs 27,395 for XV variant.
So if you please tell us where you live and which variant you prefer, we can further help your cause.
Nissan Micra comes with a warranty of 24 months or 50,000 km ( whichever comes first ) from the date of delivery to the first owner. However, you can buy extended warranty package for your car. The period for extended warranty package offered by Nissan is (additional) 2 years or upto 80,000 kms whichever occurs first after expiry of new vehicle warranty.