Train doors at car 3645 'B' side were not proven closed.TC recycled train doors three times to cle ar fault. ~~~~~ Train doors at car 3645 'B' side were no     #3645-A2 door fault code 043(x2)Door matting-62.7mm adjusted 63.7mm.DLS red mark visible.DLD rubber cushion tntact.DCS to plate-15.2mm.Push/Pull-5kg.Check door guide gap-Left,Right ,Centre-18.8mm.W,,hen closing door manually top door heard rubbing noise came from door top rubber and rubber mark at door carbody at the centre.Clean up the rubbing mark and apply Dow caring rubber strip.Tested manually open/close door no heard of rubbing noise.Check/service door guide rail & J rail ok.No sign of FOD.Door open & close few times ok.Door static test ok. Done by Saini/Zulq/Asruddin.  24/08/22