He continued to serve in the Pakistan Army , retiring in 1971 as a lieutenant colonel .
After his repatriation , Durrani resumed his military career and on partition of India in 1947 , he opted for Pakistan .
Durrani continued to serve in the Pakistan Army , retiring in 1971 as a lieutenant colonel .
After his repatriation , Durrani resumed his military career and on partition of India in 1947 , he opted for Pakistan .