K. Hari Kumar, a.k.a. ‘Horror Kumar’, is an Indian screenwriter and bestselling author of horror and psychological thriller novels. Hari is the first Indian writer to be listed on 's top 50 bestsellers in the horror category. He has also written 50 horror short stories that were published in his 2019 book India’s Most Haunted (HarperCollins India), which The Times of India deemed a must-read horror book and which was listed among HarperCollins India’s 100 best books written by Indian writers. It was the highest grossing horror book in 2020, making him the top horror writer in the country. His 2018 psychological thriller, The Other Side of Her, spawned the acclaimed Hindi language web series Bhram (2019). Currently, he is producing a series of regional-language short horror films based on Indian myths and folktales.