1st, December is the ideal month to buy a new car, because many of the mfg. company come up with very attractive offers.
2nd. with your said range i am recommend you few option
1. MS CELERIO VXI GREEN(CNG) too good in Fuel efficiency and it will save your fuel cost by approx 30 to 40%. perfect for 4 adults and average internal room space.
2. HYUNDAI SANTRO SPORTS CNG. the Hyundai Santro was launched on 23 September 1998 and was a runaway success and gained more deamnd after its refresh entry.
3. TATA TIAGO PETROL.
The Tata Tiago is the latest entry level mid-range compact hatchback by Tata Motors. The Tiago is an excellent option for you in the "compact hatchback" segment.
It is the combination of Good Looks, Quality Interiors and a Respectable Ride and Handling.