Faisalabad: Lt Gen (Retd) Ali Kuli Khan has said his appointment as army chief was his right on the basis of seniority and ability but Chaudhry Nisar and his brother Gen iftikhar became hurdle on his way.Chaudhry Nisar and Gen Iftikhar had incited Nawaz Sharif against him. Nawaz Sharif withheld my promotion file . Army should not interfere in politics. Gen Zia committed mistake by executing Bhutto, he said this in an exclusive interview.He cautioned harm is being caused to entire nation due to present conflict.My uncle Aslam Khattak remained governor of KP. Gohar Ayub was my brother in law. Relationship with him caused harm to my career.