Supply Installation And Retrofitment Of Type A & Type C Usb Mobile Charging Socket As Per S Pecification No. Edts-455, Am-1, Corr.-1 And Drawing No.. 959 Alt-'B' Or Latest For Lhb Eog Coaches. ( Scre Wed Type Qty- 1500 Nos. & Snap Fit Type, Qty.- 200 Nos.) [ Warranty Period: 30 Months After The Date Of D Elivery ] ]