Kurup, or Nagavally, as he was popularly known was a writer, commentator and broadcaster best known for his works in the All India Radio.
He was the father of the Malayalam actor Venu Nagavally.
He authored over 50 literary works including plays and around 20 film scripts.
He penned the script for the Malayalam film Newspaper Boy which is regarded as the first neo-realist movie in Malayalam.He was honoured by the Kerala Sahithya Akademi for his overall contributions to Malayalam literature.
The Kerala Sangeetha Nataka Akademi also had honoured him with an award.