SBI Descriptive (Letter Writing) (From NCERT)

Hi,

I am attaching a link to download the Letter Writing Tips from NCERT.

Link is :

http://www.ncert.nic.in/book_publishing/CLASS%2011/hornbill/w5.pdf

In SBI Exam(Held on 30th Nov 2008) Letter writing question were :

1). Invite your uncle in your GrandMother's 80th Birthday.
2). Invite your ex-Principle to the get together meetings of Alumuni.

Please remember the format . This PDF file will help a lot and it is authentic as it is from the NCERT itself.