sara told vivian " he grabbed my hands..he pushed me pushed me..then I tripped/ fall... he pinned me down by my shoulder"
+ karan kept saying " tu stupid hai..pagal hai.."
chahe police bulalo, lawyer bulalo..." this is the step by step right way to handle an out of order man/woman/child certified by law/ psychologists.
This is why he was again and again saying " I did exactly what sara told "
Mind coach ko bulao. Lets see if he knows it ...basics.