In a reply to another forum on the same topic, someone replied that WES gives an equivalent of ‘4 years of post-secondary education’ instead of ‘Bachelors’ for BHMS degrees. Because of that, I applied for evaluation by IQAS and not WES.
I did not try with WES. After all my documents were submitted to IQAS, it took around 5 months to receive my ECA. It was for immigration purposes.