A simple 9 step tutorial to RTI. Dummies and even experts can start with this simple tutorial before reading bare act.
http://www.sakshitrust.org/Learn_RTI/Online_Tutorial/

Another step by step user guide.
http://www.humanrightsinitiative.org/programs/ai/rti/india/user_guide/user_guide.htm

This guide gives information and actual cases of how RTI has been used by people. Very useful to find practical uses of RTI.
http://www.prajanet.org/partners/nrti/files/RTI%20booklet.pdf

A well written and formatted guide which is all in one. It has information on RTI, practical usage of RTI, templates, CIC decisions and bare act also.
http://www.nyayabhoomi.org/rti/RTI_Handbook.pdf

Does a template for your problem already exist? Check here templates for many cases:
http://rti.aidindia.org/content/view/221/76/

Finally, the site where I got all above useful links from. It has much more info, check it out:
http://indiarti.blogspot.com/