Maybe you need to raise a webform including your new position facts and duties.check below link
https://www.cic.gc.ca/english/helpcentre/answer.asp?qnum=052&top=3FSW- Express Entry( In India now) .
ITA - September 30
AOR - December 24.
I've submitted experience certificate for close to 5 years. No i've resigned from my current job and the LWD was 31st december. I've joined a new organization on Jan4th, should I inform this to IRCC ? If so should I submit any documents ?