tender for materials used in departmental construction work -bars ( isi mark ) 6 mm, 8 mm, 10mm, 12 mm, 16 mm ( thermo mechanically treated bars ( tmt ) , cement isi standard bag, major plant ppc grade 43 ( my cem, ambuja, acc, ultratech, birla ) , sand ( for building construction ) , brick ( baked from sawdust ) burnt open strength no less than 25 kg / sq.cm and absorption not more tan 20%, brick ( fired ) burnt open strength no less than 25 kg / sq.cm and absorption not more tan 20%, black aggregate 20 mm, 40 mm muram red color thick size, window, door, frame sal / bija / saku wooden frame iron grill / gate / window / door ( made in india ) as per design instructions