Complex sentence: He adopted the name Vishnuvardhan at the insistence of Puttanna Kanagal, who directed his maiden film, "Naagarahaavu" that gave him the recognition of the'angry young man of Kannada cinema'.
Split into simpler sentences: He adopted the name Vishnuvardhan at the insistence of Puttanna Kanagal, who directed his maiden film, "Naagarahaavu". This movie gave him the recognition of the'angry young man of Kannada cinema'.