supply of general purpose typegeneral purpose type,isi marked, general purpose type pressure sensitive adhesive tapes for e lectrical purpose (plasticised polyvenyle chloride (pvc) tape with non-thermosetti ng adhessive) of thickness 0.125mm: width 25mm and length of each roll 10 metre con forming to is 7809 (part 1)/1975 (reaffirmed (2004) with amendment number 1 & 2 is 7809 (p art2)/1977 (reaffirmed 2007) with amendment number 1, is:7809 (part 3/section 1)/1986 (re affirmed 2007) with amendment number 1 with railway monogram (e.rly) to be printed ini english and hindi on non-adhessive back side, colour-red, yellow, blue and black. n.b- quantity to be supplied: 20 percent each for red, blue, yellow and 40 percent fo r black [ warranty period: 30 months after the date of delivery ] ]