Supply Of Bolster Arrangement (fabricated) For Wap4 Locomotives As Per Rdsos Drg. No. Skvl-207 Alt.-2, Skvl-208 Alt.-2, Skvl-209 Alt.-1, Skvl-210 Alt.-1 And Rdsos Spec No. Vl.spec-6 (rev.-03) Of October 2015 & Str No. Mp.str. Vl-02.02.11 ( Rev.-1) October 2015. Rsp Items For Motorised Bogie.