He designed and built General Post Office , Lahore , Lahore Museum , Aitchison College , Mayo School of Arts ( now the National College of Arts ) , Ganga Ram Hospital , Lahore 1921 , Lady Mclagan Girls High School , the chemistry department of the Government College University , the Albert Victor wing of Mayo Hospital , Sir Ganga Ram High School ( now Lahore College for Women ) , the Hailey College of Commerce ( now Hailey College of Banking & Finance ) , Ravi Road House for the Disabled , the Ganga Ram Trust Building on `` The Mall '' and Lady Maynard Industrial School .
These included the Lahore General Post Office , the Lahore Museum , Aitchison College , Mayo School of Arts ( now the National College of Arts ) , Ganga Ram Hospital , Lady Mclagan Girls High School , the chemistry department of the Government College University , the Albert Victor wing of Mayo Hospital , Sir Ganga Ram High School ( now Lahore College for Women ) , the Hailey College of Commerce ( now Hailey College of Banking & Finance ) , Ravi Road House for the Disabled , the Ganga Ram Trust Building on the Mall and others .