I am giving you the information I have about PE
The Yoga postures recommended for premature ejaculation are
Also buterfly and peacock: http://s3cr3ty0stg2.wpengine.com/kundalini/poses-on-the-floor.html
PASCHIMOTTANASANA (Back Stretching Posture)
Regular practice brings perceptible changes within few months.
Also ayurvedic medicine might help with this matter. Something like Aswagandha have very good reputation for strenghtening the male functions.