Hey guys ........Devika is gauri's dadi and mehan is not a good charaacter..........Devika : She is the rival of Mahen Kapoor. She owns a land, which Mahen wants at any cost to complete his dream project. Later, it is revealed that she is Gauri's dadi. She knows about Mahen's plan to get Shiv married to Gauri and so she wants Shiv to divorce Gauri.
as well i think Shiv does have an affair with Ipshita
Mahen's youngest son. Shiv is very charismatic. He loves going around with women and enjoys his life. He has a very good business sense and his father has high hopes from him. He does everything with a lot of energy and passion. He has a very volatile relationship with his lady love, Ipshita.
i got this from http://starplus.indya.com/serials/karam/Characters.html.....
sorry if this is posted already