Is there an way of loosng weight in 1month by dieting....i am 25 n i weigh 70 kgs wuth height 5'4...pls sugges?

really wana loose weight ...lemme know some easy yoga asanas or diet chart ...ont wana know heavy exercises as i also wana conceive ....pls help ...its almost been few months to my marriage and me n my husband r intrsted in a kid now ...any suggestions....