While not exactly "Kanavu," this film uses "Kanakam" (gold) as a metaphor for dreams. It features the quintessential B-grade trope: The hero loses his memory, lives in a women's hostel in disguise, and regains his memory during a temple festival fight.
It sounds like you're looking for a with a "Mallu Masala" flavor — that is, a film with commercial mass elements, family sentiment, comedy, action, and a bit of romance, all wrapped in typical Kerala-style entertainment. full bestkanavumalayalambgrademoviemallumasala