There are a couple of things I'm confused about. For clarification:
- does your mother lives in India (many are writing as if she is in Canada)
- Did you tell your husband that you planned for your mother to move in with you after you got married. It looks like you didn't - you said he agreed to her moving in (then obviously changed his mind) but say when he agreed - before or after you got married. It appears from your original post that he was surprised that you wanted your mother to move in with the two of you.
Based on my current understanding, my reply is:
- your mothers life comes before your spouses need for privacy. Further, you will always have your mother (if she isn't killed by your father), while divorce is a very real possibility (sitting at about 60% of all couples I think). So it's very important you do the right thing by the relationship with your mother.
- it would be very, very wrong of you to not
tell your future husband before
you married him, that you planned for your mother to move in with the two of you after you married him.