How effective was the meditation practice of Dilgo Khyentse Rinpoche recognized by Buddhists as one of the greatest realized masters?

Dilgo Khyentse Rinpoche at the age of around 28 after his enlightement, when he wanted to stay for the rest of his life in solitary retreat: Dilgo Khyentse Rinpoche near to the end of his life: What is your opinion about this topic? Write it in the comments below: