Correct. Do not leave until you have eCOPR. Once you have, you can go and apply for PRTD in India. Takes between 2-8 weeks they say.It gets tricky then. As per my understanding you need to apply for PRTD document from your home country which could take upto 6-8 weeks. Also, I not sure is it really ok to leave the country after declaring that you are in Canada.
We canceled trip over seas in November to prevent getting stuck outside Canada. Risky to travel until you have PR card in hand, in my view, given its impossible to get hold of IRCC and to expedite any applications these days.