supply of chlorine tablets , chlorine tablet for use in ir-drdo bio-toilets having size 75 +/- 3 mm diameter & weight 200 +/- 5 gm. co nfirming to rcf specification mdts: 14274 rev-02. shelf life: (as per clause 6 of mdts:14274 rev-02) the material whe n taken out from the originally packed containers shall comply with the technical requirements prescribed in clause 5 and a minimum of 75 +/- 5 percent available chlorine of the original should be assured on/or till 6 month. packing shall be as per clause 7.1 of mdts:14274 rev-02. packing condition shall be adequate and in good enough condition to avoid rubbin g or wearing condition of tablets so stored. the tablets shall be packed in air- tight amber-colored glass bottles or plastic s containers [ warranty period: 30 months after the date of delivery ] ]