Hello Sir, My Problem Is, I Am Of 25, N

Hello sir, my problem is, i am of 25, n in this age, my weight is 120 kg, also having hypothyroid, high bp., pcod, i was treated for those problems, but not getting any result in loosing weight ... Either in those problems... N I also have asthma problem.. So got lots of breathing problems in doing workout ... So plz... Suggest.. What should I do..