supply and delivery of gi pipeline and specials from d.no 3-596/1 to d.no 3-651 to d.no 3-651 at gandla street and d.no 3-254/2 a to d.no 3-259 at cheruvu street and from d.no 3-402/5 to d.no 3-402/2 p at godugumur in div.no 18 in chittoor municipal corpo