Sarada Devi, born Saradamani Mukhopadhyaya, was the wife and spiritual counterpart of Ramakrishna Paramahamsa, a nineteenth-century mystic of Bengal. Sarada Devi was born in Jayrambati. At the age of five she was betrothed to Ramakrishna, whom she joined at Dakshineswar Kali temple when she was in her late teens. According to her traditional biographers, both lived lives of unbroken continence, showing the ideals of a householder and of the monastic ways of life.
You can practise pranayama a little, but no much, otherwise the brain will get heated. If the mind becomes calm of itself, what is then the necessity of practising pranayama? The practise of pranayama and asana often brings occult powers, and occult powers lead one astray.