How To Lose Weight By Consuming Millets?

i heard few people claiming to have lost significant weight after cutting out rice from their diet and by eating only millets..
I have used foxtail millet once to make Pongal, that too it was a ready mix..apart from that i don't know much about millets..
Pls guide me as to which millets are best for weight loss, as I heard some actually cause weight gain..and what food items you usually make from millets while following diet..I will check these recipes online and try..
Anyone lost weight by following exercise and eating millet based foods? Kindly share your experience.