Flaxseed is easily available in luluhypermarket.

One way that I know to cook it in Kashmiri style is:-

1. Grind flaxseeds equivalent to a small cup of yoghurt
2. Take equal quantity of flour
3. Mix enough water to make a smooth paste
4. Cook for 15 minutes
5. Add salt as per desire
6. It'll remain like a thick paste. The amount of food you need to eat, take that out in a plate & mix a level tablespoon of butter or margarine.
7. Serve / Eat hot