As long as your application is with Home office your spouse can travel to UK with the old dependant visa and after she comes here she should change it to Tier 1 dependant.
But once your tier 1 is approved(Before your spouse travels to UK ), then your wife old dependant visa also will be cancelled automatically and she can't travel UK...and she needs to apply for entry clearence once again as a dependant under Tier 1 before she travels.
But I request you to seek advice from Home office or some expert.
I am in work permit now and i have a question on the dependant visa.
My spouse is in India and has a valid dependant visa issued for my work permit. I have applied for Tier 1 her in UK and awaiting the approval.
My question here is if my wife travels to Uk on the dependant visa issues for my work permit, can she successfully change to Tier 1 dependant after coming into UK ?
Another question When the dependant visa is issued for 12 months and if the base work permit is cancelled to revoked, what is the status of the dependant visa ? Does it become invalid as well?
Please advise me