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Section 80TTB is a provision whereby a taxpayer who is a resident senior citizen aged 60 years and above at any time during a Financial Year (FY) can claim a specified amount as a deduction from his gross total income for that FY. This section is applicable w.e.f 1 April 2018

A deduction of lower of Rs 50,000 or amount of specified income is allowed from gross total income. Specified income is any of the following income in aggregate:

a. Interest on bank deposits (savings or fixed);

b. Interest on deposits held in co-operative society engaged in the business of banking including co-operative land mortgage bank or a co-operative land development bank;or

c. Interest on post office deposits

Deductions amount is Rs. 50000

My query is that I have taken indore medical treatment from Rubby hall clinic pune which is approved under CGHS. Bill amount has been reimbursed by BSNL after deducted income tax.
Whether my bill is taxable under income tax rule.