Sumitra hd also challenged her, but tht was only a mother's believe. She didn't indulged in any planning plotting and waited. She even didn't tell the truth of Gouri madam visit and challenge, which wd hv been enough for cd ensured her victory. She just believed in mother child bonding. On the other hand Gouri was seen using fully her talent of manipulation and cunningness to win any how by stooping any level. This is difference between Good and evil 😡