You can't "apply" per-se for Portuguese citizenship in this way. You either already have it via your parents/grandparents or not. What you might not have is a passport.
Portugeese nationality law states:
Portuguese by origin are:
The children of a Portuguese mother or father ...
What is the Marriage Certificate Apostille?
Marriage Certificate Apostille is one of the significant procedures of legalization in which an apostille stamp from the Ministry of External Affairs is procured. It needs to be done from the certificate issued country e.g. India.
Marriage Certificate Apostille proves that you are legally married and generally ...
Just to answer this, I was granted a visa eventually.
Intitially when I mailed the embassy to inquire, I was told I had no chance of getting a visa. But when I applied, I surprisingly was approved.
This is what I did: I requested my employer for a ZAV pre-approval letter. I submitted my educational qualifications and the ZAV letter along with the visa ...