Actor Ravi Dubey praised his 'Ramayana' co-star Ranbir Kapoor and said he is the only commercially viable artiste of this generation. "He is like the elder brother I never had...This is my first time working alongside a megastar like Ranbir and his kindness, empathy, silence and grace towards everyone (is impeccable)," Dubey added. Ravi will be portraying Lakshman in 'Ramayana'.