Tender For corrigendum : supply of dc drives and plc parts in ship unloader - 674424430 , 674424431 , 674424432 , 674424433 , 674424434 , 674424435 , 674424436 , 674424437 , 674424438 , installation and commissioning as per tps provided , thyristor line as per spares list in tps , thyristor module as per spares list in tps , control electronics standard as per spares list in tps , power interface as per spares list in tps