Shivsutra Vimarsha" is a text authored by Janki Nath. However, there isn't extensive information readily available about this specific text or its contents. It's possible that it could be a work focusing on the philosophical or spiritual aspects related to Lord Shiva, considering the title's reference to Shiva ("Shivsutra"). If you're interested in learning more about this text, you might try searching for academic or religious sources related to Hindu philosophy or Shaivism, as they may provide more insights into the content and significance of "Shivsutra Vimarsha.