Pensione salary can claim house rent ?

Yes, u/s. 80GG, provided you do not have HP in the same city/town.

As per already sir mentioned, you can claim a deduction under Section 80GG of the Income Tax Act. This deduction is available for individuals who pay house rent but do not receive House Rent Allowance (HRA) from their employer & available in old regime only. Deduction claim the least of the following amounts:

60,000 annually (5,000 per month)

The total rent paid minus 10% of your total income

25% of your annual salary.