Answer : 3. "www.vmou.ac.in\qca"
Explanation :

1. In normal text ads, you define the display URL yourself: If your website address begins with a subdomain (for example, "support" in "support.google.com"), your display URL May include that subdomain.

2. In expanded text ads, your display URL is a combination of your website's domain (and, where applicable, subdomains) and the text in your “Path” field.