Satte Pe Satta(1982)

After the passing away of their parents, Ravi Anand, the eldest of seven brothers, takes it upon himself to raise them - albeit a little wild and kinda animal-like. The brothers all sport long beards, hate taking showers/baths, and above all hate Ravi bossing them around. rest of the story is about how a look a like Ravi comes in to there life