Hi Anuj,
Hopefully I think you have taken your car and if not then i can share my views about maruti swift diesel..
Maruti Swift Diesel performs suitably on the city traffic conditions with a mileage of around 19.0 kmpl and highway milage of around 22.9 kmpl..

Maruti Swift Diesel price in New Delhi(Ex-Showroom):
Maruti Swift LDI 5,53,982
Maruti Swift VDI 5,98,264
Maruti Swift ZDI 6,47,904

if you want more info about this car so visit this..
Maruti Swift in India | Maruti Swift Price | Review | CarKhabri.com