Income from House Property

1. For all the four rental income arrive at the Gross Annual value separately. 
Once arrived follow the below format,
Gross Annual Value (GAV) 
(-) Property tax (actually paid)
=Net Annual Value(NAV) 
(-) 30% of NAV as standard deductions (as per sec 24)
(-) Home loan interest (max of Rs.2 lakhs)
= Income from house property (taxable amount)
2. If you have any loss carry forwarded from the previous year then the same can be set it off against the above income as per sec 71B. 
3. ITR-2 if you don't have income from PGBP. Otherwise, use ITR-3. 
4. Remember for every single house property separate column must be filled in and other details must be provided (like PAN of the tenant). 
Steps in calculating GAV : 
Gross Annual Value (GAV) 
i) Higher of fair rent or municipal rent = (A)
ii) Lower of (A) or standard rent = (B)
iii) Lower of (B) or expected rent = (C)
iv) Higher of (C) or actual rent received = GAV
Please correct me if the above solution has an alternative view.