House rent deduction in efiling

Hi, 
I am filling up the efiling for assessment year 2014-15 online. I am working in a private IT company as a professoional contractor. Company had paid TDS, 10% of my Proffessional Changes. So, I have to fill the return file myself. I am residing in a rented house in Kolkata & giving rent 7,800 per month. Now I have following questions (please don't mind on silli questions):

1. On "Personal Information" tab, for field "A20. Residentail Status" what should I need to select among the following options:

•     RES - Resident
•     NRI - Non Resident
•     NOR - Resident but not Ordinal Resident 

2. For field "A.21 Return filed under section" what should I select? Note that I have not filled earlier for this year. 

3. Where should I put the house rent for deduction (which S.No and section) and how much maximum amount can be put there?

Thanks!