New Delhi, June 21 -- The United Nations established the International Day of Yoga in 2014, and it was observed for the first time the following year on June 21. Since then the occasion is celebrated across the world with events that see a massive turnout. Ahead of this year's edition, Lounge asked six yoga instructors for their favourite yoga pose, their benefits and tips on how to perform them well.

Favourite asana: Ardhamatsyendra AsanaDespite being a sitting asana, it gives good stability to the spine while exercising the whole body from toes to head. There's a rare combination of stability and mental alertness in this asana which makes it my favourite sitting posture.

Benefits: This asana improves spinal health. It also mobilises y...