Q: When I open iTunes on ipad2 it doesn't give the option of searching or downloading songs

Which tab are you in when in itunes.  Go to the Music tab. Scroll to bottom of page and tap on your AppleId. Tap on it then tap on 'View my AppleID'  enter your password.  At the Bottom of the next page are two shortcuts - one for Terms of Service, one for PPrivacy Policy.  tap on each in turn (note that you will have to go back to iTunes and navigate back to the Account page each time)  When you have finished, connect your ipad to your PC and open Itunes using the supplied 30 pin to USB connector.

Navigate to the menu item Store, and on the menu that opens click on View my Account.  Enter your password and sign in.

Now right click your device where it appears at left hand side of the iTunes window and select to sync your device.

When it has finished.  Go back to Itunes on your pad, Music tab, tap on AppleId at bottom of Page and select to sign out.

Repeat steps to View my Apple iD and sign back in.

Now try and download, purchase your content.

regards, Ct

What country are you in? Not all countries iTunes stores have music.

See this -> iTunes Store: Which types of items can I buy in my country?

iTune Store for songs and movies are not available in India. You can only get Apps, Podcast, iTune U and free books.

http://support.apple.com/kb/TS3599