The Central Finance Budget 2015 has made following changes relating to determination of Income Tax payable by Salaried Employees, which provide income tax exemption.
1. Taxable Income eligible for full exemption from income tax Rs. 2.5 lakh same as previous Financial Year, there have no any changed. 
2. Tax Rebate Rs. 2,000/- U/s 87A is entitled in this Financial Year 2015-16 as well it will be continued this Financial Year.
3. Include Addition Deduction U/s 80C as Sukanya Samriddhi Account , Max Rs.1.5 Lakh

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The Main Changes in income tax exemptions applicable for the year 2015-16 is as follows:-

Transport Allowance:

Transport Allowance granted to an employee to meet expenditure for the purpose of commuting between the place of residence and place of duty. Income Tax Exemption on Transport Allowance is Raised  Rs1600/-  per month for general and Rs.3200/- P.M. for Phi. Disable persons.

Section 80C:

The total deduction under this section (along with section 80CCC and 80CCD) is limited to Rs. 1.50 lakh. Some investments, savings, expenditure etc covered under Section 80 C

Section 80CCD (1): Deduction in respect of Contribution to Pension Account (by Assessee}

Deduction available for the amount paid or deposited in a pension scheme notified or as may be notified by the Central Government subject to a maximum of :
(a) 10% of salary in the previous year in the case of an employee (b) 10% of gross total income in any other case.

Section 80CCD (2): Deduction in respect of Contribution to Pension Account (by Employer}

Deduction available for the amount paid or deposited by the employer of the assessee in a pension scheme notified or as may be notified by the Central Government subject to a maximum of 10% of salary in the financial year. This exemption is in addition to Rs. 1.5 lakh limit provided under Section 80 CCE for deductions under Section 80 C, CCC, and 80CCD(1)

Deductions under Chapter VIA of Income Tax Act [ Click here to view all deduction under Chapter VIA updated]

Section 80CCG: Rajiv Gandhi Equity Saving Scheme (RGESS)

As per the Budget 2012 announcements, a new scheme Rajiv Gandhi Equity Saving Scheme (RGESS) will be launched. Those investors whose annual income is less than Rs. 10 lakh (proposed Rs. 12 lakh from A.Y. 2014-15) can invest in this scheme up to Rs. 50,000 and get adeduction of 50% of the investment. So if you invest Rs. 50,000 (maximum amount eligible forincome tax rebate is Rs. 50,000), you can claim a tax deduction of Rs. 25,000 (50% of Rs. 50,000).

Section 80D: Deduction in respect of Medical Insurance

Deduction is available up to Rs. 30,000/- for senior citizens and up to Rs. 25,000/ in other cases for insurance of self, spouse and dependent children. Additionally, a deduction for insurance of parents (father or mother or both) is available to the extent of Rs. 30,000/- if parents are senior Citizen and Rs. 25,000/- in other cases. Therefore, the maximum deduction available under this section is to the extent of Rs. 55,000/-. From AY 2016-17. 

Section 80DDB: Deduction in respect of Medical Expenditure on Self or Dependent Relative

A deduction to the extent of Rs. 80,000/- or the amount actually paid, whichever is less is available for expenditure actually incurred by resident assessee on himself or dependent relative for medical treatment of specified disease or ailment. The diseases have been specified in Rule 11DD. A certificate in form 10 I is to be furnished by the assessee from any Registered Doctor.

Section 80 TTA: Deduction from gross total income in respect of any Income by way of Interest on Savings account

Deduction from gross total income of an individual or HUF, upto a maximum of Rs. 10,000/-, in respect of interest on deposits in savings account ( not time deposits ) with a bank, co-operative society or post office, is allowable  (Assessment Year 2016-17).

Section 80U: Deduction limit has raised in respect of Person suffering from Physical Disability

Deduction of Rs.75,000/- to an individual who suffers from a physical disability(including blindness) or mental retardation. Further, if the individual is a person with severe disability, deduction of Rs. 125,000/- shall be available u/s 80U. Certificate should be obtained from a Govt. Doctor. The relevant rule is Rule 11D.