In my view the top diesl hatchbacks are the following

Maruti Swift Diesel
TATA Indica V2 Turbo
Hyundai Getz Prime
Ford Fusion

Maruti's Swift diesel is one of the most stylish cars in the country.It is available in 3 varients VDi,LDi and VDi with abs.It starts from an ex-showroom price of about 4.8 lacs.The most economic car in the segment .Because of the low spare parts price and availability indica has become the most common car in the entire segment.Available in 4 varients .The ex showroom price of the car starts from 3.9 lacs.Ford motor's Fusion is one of the best cars for a self driven executive in the hatchback segment.Famous for its great handling and fuel efficiency ford fusion is now one of the best cars in premium hatchback segmant.The hyundai's contribution to the diesel hatchback segment is the Getz prime.With the reputation of Hyundai Getz has become very popular in india.
For more details check my blog

http://dieselcarsindia.blogspot.com