They cannot go up higher

They cannot go up higher. For thousands and thousands of years, it hardly for a sadhaka cannot to find or see there is the "Susuna". i have the evidence for that. And some gurus mention this problem. Why? The reason for thousands of sadhaka after so many years of meditation, they are still in the first stage and second stages. 40 years, 60 years, they are still in the beginning stage. How to go up, further up, put to the third and the last stage. It's simple but you don't know it by any chance. Still on the right way of practice and right thinking. Yes, there is a secret for a sadhaka can easily go up to a higher stage. I'm not talking about it through the guru's grace. Guru's grace wants you to work hard for that. He will let you know this secret. How to get this secret?