Hello Rahul

Please follow the steps of construction

Steps of construction

1. Draw a circle with the help of a bangle.
2. Take two non parallel chords AB and CD
3. Draw perpendicular bisectors of these chords
4. Mark point O where two bisectors intersect.
   Point O is center of the circle
5. Take a point P outside the circle and join PO
6. Bisect PO. Let M be mid-point of PO
7. Taking M as centre and MO as  radius, draw a circle.
8. Let it  intersect the given circle  at the points Q and R.
9. Join PQ and PR.

Check https://www.teachoo.com/5757/543/Ex-11.2--7---Draw-a-circle-with-help-of-a-bangle.-Take-a-point-outside/category/Ex-11.2/