supply of frp window assembly 20 wide., frp window assembly 20 wide to drg no. rdso / sketch-96070, alt-1 ( expect item 4 to 7 ) with rdso specn. no. rdso / 2007 / cg-02, rev.01 of 2008 with amdt-02 of aug / 2016 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. colour shade satin blue ( to shade no.177 of is: 5 / 2007 ) . the following changes in the drawings 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 assembly 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 ]