Here is how to do the Bharadvaja Twist in Yoga according to Yoga Journal. Please note that the information has been taken directly from their site, but you can click on the link above to check it out yourself if you want to read the entire post.
Bharadvaja’s Twist: Step-by-Step Instructions
Sit on the floor with your legs straight out in front of you. Shift over onto your right buttock, bend your knees, and swing your legs to the left. Lay your feet on the floor outside your left hip, with the left ankle resting in the right arch.
See also More Hip Openers Poses
Inhale and lift through the top of the sternum to lengthen the front torso. Then exhale and twist your torso to the right, keeping the left buttock on or very close to the floor. Lengthen your tailbone toward the floor to keep the lower back long. Soften the belly.