I agree with the donation if you can do so.Not sure if there will be takers for this, but I have a 8+ yr old laptop (not sure about the purchase date, need to check invoice).
I've given away two of my PC's. Newer one had a new Samsung 860 Evo 250GB SSD and a GTX 650Ti.
But it's not wrong to sell either. Try 5k-6k because of the SSD. Keyboard replacement is pretty expensive at around 1000-2000rs and battery too will cost somewhere around that. I've got laptop batteries replaced for about 1500-1600rs in Nehru Place. They are the generic third party ones.
Without the SSD I think you'll be able to get better specced laptop for about 8-10k in Nehru Place.