I am sweety khurana?

hello i am sweety khurana 27 years old i have a little daughter 2 years old my height is 5 feet and my weight has increased after my baby i was befor baby 50 and now it it 58 i want to reduce it 50 i take in diet in morning i gl buffalo milk with 1 chappati and some veg than i take mid morning snack i cup tea with sugar some biscuit or any other snack than lunch take two chappati with veg or curd and some salad than at evening i take one cup tea with snack like namkeen, mattthi etc. than at ;night i take one chappati with dal or veg and salad and fruit . tell me i am taking the right diet or nor and i do excercise ramdevji half an hour daily i want to loose wait 8 kg but how please tell me what is diet and excercise for reducing weight.