Anuj himself send choti anu to farm house where choti met with maaya
Anupama even said to not to send choti to picnic as u can't live without he4 and she even told anuj not to send choti alone in picnic
U forgot about bapuji it is bapuji who say to anupama ki anuj ko apni zindagi mein aane de then only she started loving him otherwise she consider anuj consider as her friend only and no mood to marry so soon
It is after bapuji and when anuj said under bhang effect that he want to marry then only anupama decided to marry
Marriage ki baat tub hui jub Anuj ne bhaang ke effect mein kaha tha ki woh shaadi kana chahta hai