Help me understand

Hi, im new this forum, i want to know how did vedika entered goenka Mansion.. and what is the connection?

Actually im on and off viewer of this serial. 

TIA

Sunaina

She has no connection with goenka family

Her father saved kartik's life and died and from then she lived with vedika...she handled goenka family in absence of naira and later Kartik forced to marry her