supply of frp window assembly 20 wide to drg. no. rdso / sketch-96070 alt.-1 [ except items 4to 7 ] specn. no. rdso / 2007 / cg-02, rev.01 with amd.02 instead of rdso specn. c-9403. the louvre shutter shall be of single piece design, manufactured in one shot moulding process and fixing holes as per drg. no. icf / sk3-5-4-009 alt.-a. shade for frp items: grey white to shade no.ral-9002.the following changes in the drgs should be followed: [ a ] window sill to drg. no.32954037 alt. nil shall be followed in lieu of rdso / sk-95192 [ b ] window guide [ rh ] to drg. no.32954038. alt. nil shall be followed in lieu of rdso / sk-95193 item-1, [ c ] window guide [ lh ] to drg.no. 32954036 alt. nil shall be followed in lieu of rdso / sk-95193, item 2 [ d ] window assy to drg.no. icf / sk3-5-4-035 alt nil shall be followed in lieu of rdso / sk-98147 [ warranty period: 30 months after the date of delivery ]