Kashmirishivism is a different philosophy to Advaita Vedanta. It has four graded levels of worship, with the highest being 'anupai' Anupai means no way way... doesn't mean that there's no way. You just become enlightened, straight away. The last one is the most complicated and most time-taking. We just have to know you are... that's it. It's done. All these Upai's all lead to the same realization. And Sridhamma Krishna's life, it shows. He started off by being a simple pujaari. Actually had an image of Kali and he did actual puja with flowers and water offerings
Swami Sarvapriyananda teaches one of the shortest and most profound upanishads accompanied by Gaudapada's Karika. This lecture covers Mantra 7 (Part 2).