supply of 3 meter dia, 20 m long techtube geotextile tube made of 80 kn bi-axial strength multifilament woven geotextile (lot-01) , supply of geo-textile fabricated to form a three dimensional mattresses after filling sand at design slope of affected reach, filled up with sand by pump, the upper layer of the mattress being heavily woven with polypropylene fabric needle-punched with a mixture of uv stabilized green fibers and cut tape yarns [upper layer properties: 1) mass per unit area (astm d5261-650gm2.2)tensile strength(astm d4595)42kn/m3) pore size. astm d 6767- 2011)-0.35mm, 4) abrasion resistance (atm d 4886) retain tensile strength 35kn/m,5) uv stability (strength retained per astmd 4355-92,@ 500hrs) 80%,6) resistance to oxidation (strength per astm iso/tr 13438:1999(e)@ 1000c for 28 days) 80% lower layer strength (astm d 4595) 76kn/m, 3) pore size. (astm d6767-2011)<0.35 mm) the sewing thread being of high tenacity polyester, continued parallel stitches positioned 350 mm apart with a stitch length not exceeding 40mm (typical value of tensile strength 1000n, elongation at break is 20%) (3 meter dia, 20 m long techtube geotextile tube made of 80 kn bi-axial strength multifilament woven geotextile.