How to get enlightened?

There is only one thing needed to get enlightened- only one way - Neti Neti. Neti Neti is process of negation - I am not this, I am not that and so on. Whatever is remaining is our true consciousness - satchitananda atma. This is my understanding from whatever I gathered from my Guruji’s Vedanta classes. Yes how well we do Neti Neti is the whole game….