Yes, you can give your Maruti 800 in exchange and they will pay you the cost of your car and the exchange bonus, which is a subject of exchange policy of different car manufacturers.
Yes, ex-servicemen can buy a car through CSD canteen, buying a car through CSD canteen is beneficial as you have to pay lesser.
Bajaj Hasn't revealed much information about the RE60 yet, however it will feature a 200cc engine and expected to return a mileage of around 35 kmpl. The RE60 is a alternative solution of auto rickshaws.
Bajaj RE60 uses a small 200cc single cylinder engine, which develops a maximum power output of around 20bhp. Bajaj Auto claims that the RE60 has a top speed of about 70 km per hours and will deliver a mileage of 35 km per litre, which sounds great. With a metal-polymer monocoque body, Bajaj RE60 measures 400 kg in weight. The length is 2.75 meters while the width of RE60 is 1.3 metres. Bajaj's first 4 'wheeler has a turning circle radius of 3.5m.