Flax (linseed | alsi) can be grown in the winters in most of India. It is darn easy to grow and has beautiful, delicate purple flowers until the flax seed starts to form. Flax is a super healthy seed, full of rich Omega-3 fatty acids. 
 
All the seeds by The Odd Gumnut (TOG) are handpicked and heirloom, meaning you only need to buy this packet of seeds once, after that you can collect your own seed from the plant you grow.