How do we fill the details regarding the Retirement Benefits in the ITR1?

Please tell how are the following details regarding the Retirement Benefits have to be filled in the ITR1 form?

Gratuity
Commutation of Pension
Leave Encashment
Payment from Provident Fund
Payment from Superannuation Fund
(These are covered under Section 10 for tax rebate)
(Which section in ITR1 is used for defining the rebate under section 10?)