Original sentence: Central Railway Building - CRB is situated in the scenic hilly area of Chittagong.It is the governing office for the General Manager of Bangladesh Railway.There is a residential area for the railway officers surrounding it.This is one of the oldest architectural buildings of the port city
Edited sentence: Central Railway Building - CRB is situated in the scenic hilly area of Chittagong, CRB  Central Railway Building is the governing office for the General Manager of Bangladesh Railway.From the Agent Hills anybody can have a good look of the most part of the Chittagong city including the Bay Of Bengal.The natural beauty of the CRB area makes it one of the coolest places of the city, Chittagong.There is a residential area for the railway officers.This is one of the old architectural building  of the port city.surrounding it