Bikram Yoga are encouraged to develop their teaching skills the longer they teach. This results in varying deliveries and distinct teaching styles. Bikram Choudhury, founder of the Bikram Yoga system, is also the founder of the Yoga College of India. Born in Calcutta in 1944, Choudhury began practicing yoga at age four. He stated that he practiced yoga 4–6 hours every day. At the age of thirteen, he asserts that he won the National India Yoga Championship and was undefeated for the following three years and retired as the undisputed All-India National Yoga Champion. Choudhury later devised the 26 postures sequence and
Ashtanga vinyasa yoga more breaths in difficult postures. Various influential figures have discussed the specific process of breath in ashtanga. Pattabhi Jois recommends breathing fully and deeply with the mouth closed, although does not specifically refer to Ujjayi breathing. However, Manju Jois does and refers to breathing called "‘dirgha rechaka puraka’, meaning long, deep, slow exhalations and inhalations. It should be dirgha... long, and like music. The sound is very important. You have to do the Ujjayi pranayama". In late 2011, Sharath Jois, the grandson of Pattabhi Jois, declared his feelings on the issue, stating that Ujjayi breathing was not done in the