Long Overdue - All Dry

1.The Andhra Bank is the only bank in the country licensed to sell food products. Funda?

2.X was accessible through a large gold-colored door with a giant keyhole, which required an enormous key to open it.X contained an alien zoo, a giant steel diary , a chess-playing robot, specialized exercise equipment, a laboratory where Y worked on various projects such as developing defenses to Z, a (room-sized) computer, communications equipment, and rooms dedicated to all of his friends.Identify X,Y and Z.

3.X is a two-player abstract strategy board game that can be played using the same equipment as chess. X has so far proven to be more difficult for artificial intelligences to play than chess.What is X?

4.Oh here's to my sweet Satan.
The one whose little path would make me sad, whose power is Satan.
He will give those with him 666.
There was a little toolshed where he made us suffer, sad Satan.
The above lines which look like a satanic message,when played backwards are a part of a very famous song X.Identify X.

5.X shares a fantasy he has been thinking about; he pictures himself as the sole guardian of several children playing a game of ball in a huge rye field on the edge of a cliff. His job is to catch the children if they wander close to the brink, to be a "Y".Identify the book and the author.