Income Tax Act allows various types of deductions to various persons as per the limits and other criteria. List of deductions provided by Income Tax Act are:

Sections	Income Tax Deduction for FY 2019-20 (AY 2020-21)	Applicability	Limit for FY 2019-20 (AY 2020-21)
Section 80C	Investing into very common and popular investment options like LIC, PPF, Sukanya Samriddhi Account, Mutual Funds, FD etc	Individual /HUF	Combined investment made in section 80C, 80CCC and 80CCD (1) can be availed Upto INR 1,50,000 only
Section 80CCC	Investment in Pension Funds	Individuals
Section 80CCD (1)	Atal Pension Yojana and National Pension Scheme Contribution	Individuals
Section 80CCD(1B)	Atal Pension Yojana and National Pension SchemeContribution	Individuals	Upto Rs 50,000
Section 80CCD(2)	National Pension SchemeContribution by Employer	Individuals	Amount Contributed or 14% of Basic Salary + Dearness Allowance (in case the employer is CG) or 10% in case of any other employer, whichever is lower
Section 80D	Medical Insurance Premium and Medical Expenditure	Individual /HUF	Upto INR 1,00,000
Section 80DD	Medical Treatment of a Dependent with Disability	Individual /HUF	Normal Disability: INR 75000/- or Special Disability: INR 125000/-
Section 80DDB	Specified Diseases	Individual /HUF	Senior Citizens: Upto INR 1,00,000 and other upto INR 40,000
Section 80E	Interest paid on Loan taken for Higher Education	Individual	100% of the interest paid upto 8 assessment years
Section 80EE	Interest paid on Housing Loan	Individual	Upto INR 50,000 subject to some conditions
Section 80EEA	IInterest paid on Housing Loan	Individual	Upto INR 1,50,000/- subject to some conditions
Section 80EEB	Interest paid on Electric Vehicle Loan	Individual	Upto INR 1,50,000 subject to some conditions
Section 80G	Donation to Charitable Institutions	All Assessee (Individual, HUF, Company etc)	100% or 50% of the Donated amount or Qualifying limit paid through bank, cash donation upto INR 2,000 only
Section 80GG	Income Tax Deduction for House Rent Paid	Individual	Rent paid in excess of 10% of Total Income or 25% of total income whichever is lower
Section 80GGA	Donation to Scientific Research & Rural Development	All assessees except those who have an income (or loss) from a business and/or a profession	100% of the amount donated through bank account, cash donation upto INR 10,000 only
Section 80GGB	Contribution to Political Parties	Companies	100% of the amount contributed made through bank account
Section 80GGC	Individuals on contribution to Political Parties	Individual /HUF/AOP/BOI/Firm	100% of the amount contributed if made through bank account.
Section 80IA	Profits and Gains from Industrial Undertakings engaged in infrastructure development, etc.	Industrial Undertakings engaged in specified businesses	100% of the profit for 10 consecutive years out of 15 years beginning from year of commencement
Section 80IAB	Profits and Gains to SEZ Developers	SEZ Developers	100% of the profit for 10 consecutive years out of 15 years beginning from year in which SEZ has been notified by CG
Section 80IAC	Eligible startups	Company or LLP engaged in eligible business subject to some conditions	100% of the profit for 3 consecutive years out of 7 years beginning from the year of commencement
Section 80IB	Profits and Gains from certain Industrial Undertakings other than infrastructure development undertakings	Specified Industrial Undertakings	25%, 30% or 100% of the profit for such periods as may be specified subject to certain conditions
Section 80IBA	Profits from Housing Projects	All persons	100% of the profit
Section 80IC	Certain Undertakings in Special category States	Certain Industrial Undertakings	Sikkim and NE States- 100% of profit for 10 years, HP and Uttranchal-100% of profit for first 5 years and 25% for next five years (for companies 30% instead of 25%).
Section 80ID	Profits and Gains of Hotels/Convention Centres in specified area	Hotel or Convention Centre	100% of the profit for 5 consecutive years beginning from the year of operation
Section 80IE	Certain Undertakings in North Eastern States	Undertakings engaged in manufacture/ provision of specified goods/ services or undertake substantial expansion, in North Eastern States	100% of the profit for 10 consecutive years beginning from the year of commencement or completion of expansion, as may be applicable
Section 80JJA	Profits and Gains of Specified Business	Specified Business	100% of the profit for 5 consecutive years beginning from the year of commencement
Section 80JJAA	Employment of New Employees	Employer who was subject to tax audit u/s 44AB	30% of additional employee cost for 3 years including the year in which employment is provided
Section 80LA	Certain Income of Offshore Banking Units in SEZ and IFSC	Offshore Banking Units in SEZ or Unit of IFSC	100% of the income for 5 years
Section 80PA	Certain income of Producer Companies	Producer Companies engaged in eligible business	100% of the profit
Section 80RRB	Royalty on Patents	Individuals (Indian citizen or foreign citizen being resident in India)	Income from royalty subject to maximum of INR 3,00,000
Section 80QQB	Royalty Income of Authors	Individuals (Indian citizen or foreign citizen being resident in India)	Income from royalty subject to maximum of INR 3,00,000
Section 80TTA	Interest earned on Savings Accounts	Individual / HUF	Upto INR 10,000/-
Section 80TTB	Interest Income earned on deposits(Savings/ FDs)	Individual (60 yrs or above)	Upto INR 50,000/-
Section 80U	Disabled Individuals	Individuals	Normal Disability: INR 75,000 and severe disability INR 1,25,000

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