Yes, you can register on behalf of someone else
No!, you can. In a single Email you cannot register multiple profiles.For each profile it is mandatory to have a unique email ID
Go to http://malayalimatrimony.in/ Click on Register button .Provide Name, Gender, Mobile, Email and Submit the page by acceting terms and conditions. Your profile will be created and a 'User Name' and Password is generated and send to your email ID provided during the registration process. Then you need to enter the credentials and login and find your soulmate.