Bf nd family promise to marry nd threats girl nd ignore her

Bf promise to marry girl clear him about cast nd her anger issue know all the facts boy promise he told her if they have physical will be gaurentee he don't leave her girl said first he have to gaurentee on that promise to marry gave consent nd after physical boy leave her cuz in anger she call his mom lair.Girl parents met boysparents they said they will marry after 5 yrs due age after 1 month girl father died she was in depression she tried to call boy they denied ignore her she tried 5, 6 time talk to them about marriage they ignore, threats if she again call him they file harassment case on her nd defame her .facts:boy age -18 girl age- 19 knowing all fact boy have physical with her he by fooling her obtain her consent he have chats where she gave consent nd she chat where he promise to marry nd recording with boy mom .consult alot lawyer said case will dismis deu tohis age .what will happen girl sc boy obc how to put him behind bar boy father police