There was a time when as a filmmaker you had to prove your credentials for a particular period. This meant you had to score few hits at the box office and only then the big heroes used to entertain you. Cut to the present, the whole situation and scenario has changed drastically.
These days, stars are voting for those directors who have that spark of talent and can come up with stories that offer something different. So, if their first film is hit it will not be a surprise if they end up doing their second film with a big league hero. This is the trend in Tollywood.
To quote a few names, the likes of Chandoo Mondeti, Sriram Aditya, Virinchi, Kalyan Krishna and others are currently involving in films that have branded and established stars. That way, just one spark is enough and it can ignite their careers in a big way. Of course, success is key to their growth.