Hi my wifes weight was 65 kg before pregnancy but during and after her pregnancy his weight heavily increased current wait under 82 to 85 kg. plz help?

Diet & exercise: She needs lifestyle changes and to control her environment. Choose liquid calories wisely, eat more grains and vegetables, smaller portions, less frequent eating in general. She needs a daily exercise program of cardiovascular and muscle building exercises. There are thousands of programs, routines, opinions on how exactly she can achieve this. With motivation, she can find one that works for her