“He has very clear ideas on the Ṣat Kriyā and the Mudrā.
He believes that if a person does Āsana properly, with breathing,
and has certain restraints regarding food, there is no need for these Kriyā.”
– TKV Desikachar from lectures on ‘The Yoga of T Krishnamacharya’,
given at Zinal, Switzerland 1981.

“In addition, the use of Kriyā,
without a knowledge of the individuals Doṣa
is certainly going to do more harm than good.
Doṣa, briefly, means the constitution of the individual;
some are fat, some tend to get a lot of colds,
some have acid problems, some are nervous.
So different beings show different predominances in the Doṣa,
and Kriyā must be considered in relation to these varying constitutions.”
– TKV Desikachar from lectures on ‘The Yoga of T Krishnamacharya’,
given at Zinal, Switzerland 1981.