Supply of BOLSTER SPRING (INNER) Drawing No.:- W/BE-3211 alt (1) Specification:- WD-01-HLS-1994 (Rev. 3 of Jan 2009) Amendment No.-3 of Aug. 2019 Special term & condition: -( i) Firm to ensure compliance of Para.8.2,8.3 & 8.4 of specification- WD-01-HLS- 1994 (Rev. 3 of Jan 2009) Amendment no-3. (ii) GUARANTEE : The spring shall be guaranteed for a period of five years against any defect imputable to manufacture from the date of delivery of the spring, OR for a period of four years from the date of actual fitment on Coaches, whichever is earlier.