Heavy Duty Inter Locked Concrete Coloured Paving Block Of 60 Mm Thickness Of Having A Strength Of 300 Kg/Sq.M. Of Approved Quality And Shape On A Bed Of Crushed Sand Of 25 To 30 Mm Thick Supplay Of Paving Block And Crushed Sand Of 25 To 30 Mm Thick At Kurhad Khu Dsit Jalgaon