i am not sure where u left off, but i will give u quick update.
~ adi was proved innocent
~ shivansh tries to get revenge on adi and kaajjal so he tries to make dev doubt kaajjal havin an affair with adi
~ dev believes him and gets really drunk one nite and says he will kill kaajjal and adi, shivansh tapes it all
~ on dev's birthday shivansh hires someone to kill adi and kaajjal and fails
~ dev finds out that kaajjal is not cheating on him
~ the person who tried to kill adi and kaajjal was karan and karan didn't know tht he was hired to kill kaajjal and wen he finds out for some reason he cudn kill kaajjal
~ karan finds out that shivansh is tryin to trap dev in attempt murder case of adi and kaajjal
~ karan gets bak into the singh house with shivansh's help
~ we also find out that karan and veer are dev's step brothers
~ he plans somthing evil to get all the property, and wen he fails he kills dev and kajjal.