Help me mommies plz

I'm facing too much obesity. Before 4 years when i got married my weight was 85 kg.. after delivery it was 87. But suddenly from last 5 months my weight increasing rapidly. Today again i check my weight and saw my weight is 105 kg 🤯 what could i do now.. i don't eat any junk food oily food.. what i do.. plz help.. mere pero m b bht pain hone lg gya.. m kya kru or working hu to gym jaane ka b time nhi h mere pas bilkul.. plz koi diet chart ya kuch effective advice do plz