Ashok Leyland Stile doesn't sports stereo system as an standard accessory in any variant. However, you can ask the dealer for it as an additional accessory for your car. If the dealer doesn't has the fitment, you can go for an after market accessory.
Ashok Leyland Stile LX Optional doesn't come with ABS and the biggest reason could be the prices, the manufacturer ignore the feature to keep the prices affordable. However, you can good quality ABS as an aftermarket accessory.