Knowledge Bank

Twenty-three calculators, this year’s tax rates and tables, the latest official updates, and every Act, Rule and Form, linked to the government’s own copy. Plus this month’s due dates.

Calculators

Twenty-three calculators and look-ups, worked out right here on the page.

Please note: all calculations are approximate and for general information only. They are not professional advice. Please check with us before you file, pay or decide.

Tax GST Loans and savings Company RERA Codes

Includes the standard deduction (₹75,000 new regime, ₹50,000 old regime) on salary, the rebate, surcharge with marginal relief, and 4% cess. Capital gains and other income taxed at special rates aren’t included. An estimate for information only.

Latest updates

The newest notices from the Income Tax Department, CBIC (GST), RBI and SEBI, and where every other department posts its own.

720 notices, last fetched 2026-11-06 12:09 from the Income Tax e-filing portal, CBIC’s GST notifications and circulars, RBI’s notification archive and the official RBI and SEBI feeds. The archive keeps growing every day. Each opens the original notice.

Rates and tables

Tax year 2026-27 rates and the tables CAs use every day.

Income tax slabs, new regime (tax year 2026-27)

Taxable incomeRate
Up to ₹4,00,000Nil
₹4,00,001 to ₹8,00,0005%
₹8,00,001 to ₹12,00,00010%
₹12,00,001 to ₹16,00,00015%
₹16,00,001 to ₹20,00,00020%
₹20,00,001 to ₹24,00,00025%
Above ₹24,00,00030%

No tax up to ₹12 lakh of taxable income (rebate, with marginal relief). Salaried people also get a ₹75,000 standard deduction. Plus 4% cess; surcharge above ₹50 lakh, capped at 25%.

Income tax slabs, old regime (tax year 2026-27)

Taxable incomeBelow 6060 to 7980 or more
Up to ₹2,50,000NilNilNil
₹2,50,001 to ₹3,00,0005%NilNil
₹3,00,001 to ₹5,00,0005%5%Nil
₹5,00,001 to ₹10,00,00020%20%20%
Above ₹10,00,00030%30%30%

Rebate up to ₹12,500 when taxable income is up to ₹5 lakh. Standard deduction ₹50,000 for salaried people. Plus 4% cess; surcharge above ₹50 lakh, up to 37%.

TDS rates for residents (tax year 2026-27, Income-tax Act, 2025)

PaymentRateTDS applies above
Interest from a bank or post office10%₹50,000 a year (₹1,00,000 for senior citizens)
Interest on securities10%₹10,000 a year
Other interest10%₹10,000 a year
Dividend from a company10%₹10,000 a year
Rent of land, building or furniture10%₹50,000 a month
Rent of plant or machinery2%₹50,000 a month
Rent paid by an individual or HUF not under tax audit2%₹50,000 a month
Contractor: individual or HUF1%₹30,000 a payment or ₹1,00,000 a year
Contractor: firm or company2%₹30,000 a payment or ₹1,00,000 a year
Professional fees10%₹50,000 a year
Fees for technical services2%₹50,000 a year
Commission or brokerage2%₹20,000 a year
Insurance commission2%₹20,000 a year
Purchase of immovable property1%Property of ₹50 lakh or more
Purchase of goods (buyer's turnover above ₹10 crore)0.1%Above ₹50 lakh a year from one seller
Payment by an e-commerce operator0.1%On the gross amount
Lottery, crossword or game winnings30%Above ₹10,000 a payment
SalarySlab ratesUse the income tax calculator

Without a PAN, TDS is usually 20% (5% on purchase of goods and e-commerce).

TDS on payments to non-residents (section 393(2), formerly section 195)

IncomeNRI or other non-residentForeign company
Interest on NRO deposits and other interest30%35%
Interest on money borrowed in foreign currency by the Government or an Indian company20%20%
Dividends20%20%
Royalty and fees for technical services20%20%
Long-term capital gains on listed shares and equity funds (above ₹1.25 lakh)12.5%12.5%
Short-term capital gains on listed shares and equity funds (STT paid)20%20%
Other long-term capital gains, such as on property12.5%12.5%
Other short-term capital gains30%35%
Investment income of an NRI from foreign exchange assets20%Not applicable
Sportspersons and entertainers20%20%
Lottery, crossword and game winnings30%30%
Any other income30%35%

Plus surcharge (individuals: 10% above ₹50 lakh, 15% above ₹1 crore, 25% above ₹2 crore, capped at 15% on dividends and capital gains; foreign companies: 2% above ₹1 crore, 5% above ₹10 crore) and 4% cess. A lower tax-treaty rate applies if the payee gives a tax residency certificate and the prescribed form.

TCS rates (tax year 2026-27, section 394)

Sale or paymentRateNotes
Alcoholic liquor2%Up from 1%
Tendu leaves2%Down from 5%
Timber and other forest produce2%
Scrap2%Up from 1%
Coal, lignite and iron ore2%Up from 1%
Parking lot, toll plaza, mining or quarrying lease2%
Motor vehicle above ₹10 lakh1%On the full value
Notified luxury goods above ₹10 lakh1%Watches, art, handbags and others
Foreign remittance (LRS) for education or medical treatment2%On the amount above ₹10 lakh a year; down from 5%
Foreign remittance (LRS) for other purposes20%On the amount above ₹10 lakh a year
Overseas tour package2%Flat; was 5% or 20%

Changed by the Finance Act, 2026 from 1 April 2026. Without the buyer's PAN, TCS is twice the rate or 5%, whichever is higher.

Income tax rates for firms, LLPs and companies (tax year 2026-27)

TaxpayerRateSurcharge
Partnership firm or LLP30%12% above ₹1 crore
Domestic company, turnover in 2024-25 up to ₹400 crore25%7% above ₹1 crore, 12% above ₹10 crore
Other domestic companies30%7% above ₹1 crore, 12% above ₹10 crore
Domestic company choosing the 22% option22%10% flat
New manufacturing company on the 15% option (set up from 1 Oct 2019, making goods by 31 Mar 2024)15%10% flat
Co-operative society on the 22% option22%10% flat
Foreign company35%2% above ₹1 crore, 5% above ₹10 crore

Plus 4% cess. Surcharge has marginal relief. Companies may also pay minimum alternate tax at 15% of book profit, except on the concessional options.

Cost inflation index

Financial yearIndex
2001-02100
2002-03105
2003-04109
2004-05113
2005-06117
2006-07122
2007-08129
2008-09137
2009-10148
2010-11167
2011-12184
2012-13200
2013-14220
2014-15240
2015-16254
2016-17264
2017-18272
2018-19280
2019-20289
2020-21301
2021-22317
2022-23331
2023-24348
2024-25363
2025-26376
2026-27384

Base year 2001-02 = 100. 2026-27 notified at 384 on 15 July 2026.

Depreciation rates, Income-tax Act (written down value)

AssetRate
Buildings, mainly residential5%
Buildings, other than residential10%
Temporary structures40%
Furniture and fittings10%
Plant and machinery (general rate)15%
Motor cars, not used for hire15%
Motor buses, lorries and taxis used for hire30%
Computers, including software40%
Books for a profession40%
Know-how, patents, copyrights, trademarks, licences25%

Half the rate in the first year when the asset is used for less than 180 days. Goodwill isn't depreciable.

Useful lives, Companies Act, 2013 (Schedule II)

AssetUseful life
Buildings with RCC frame (other than factory buildings)60 years
Buildings without RCC frame30 years
Factory buildings30 years
Plant and machinery (general)15 years
Furniture and fittings10 years
Motor cars, scooters and other vehicles (not for hire)8 years (motorcycles and scooters: 10)
Buses, lorries and taxis used in a hire business6 years
Office equipment5 years
Computers: desktops, laptops and other end-user devices3 years
Computers: servers and networks6 years

The main classes. Both full schedules are just below.

Full depreciation table, Income-tax Rules (Appendix I) (49 entries)Every block of assets and its rate, on the written-down value.

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Full Schedule II, Companies Act, 2013 (100 assets)Useful lives for every class of asset. NESD means no extra shift depreciation.

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ROC filing fees (Companies Act, 2013)

Nominal share capitalFee per document
Less than ₹1,00,000₹200
₹1,00,000 to less than ₹5,00,000₹300
₹5,00,000 to less than ₹25,00,000₹400
₹25,00,000 to less than ₹1 crore₹500
₹1 crore or more₹600
Company without share capital₹200

Late annual filings (such as AOC-4 and MGT-7) cost an extra ₹100 a day.

ROC late fees for other forms (Companies Act, 2013)

DelayAdditional fee
Up to 30 days2 times the normal fee
31 to 60 days4 times
61 to 90 days6 times
91 to 180 days10 times
Above 180 days12 times

Some forms filed late twice in a year, such as PAS-3, pay a higher additional fee.

LLP fees (LLP Rules, 2009)

ContributionIncorporation (FiLLiP)Other forms
Up to ₹1 lakh₹500₹50
Above ₹1 lakh, up to ₹5 lakh₹2,000₹100
Above ₹5 lakh, up to ₹10 lakh₹4,000₹150
Above ₹10 lakh, up to ₹25 lakh₹5,000₹200
Above ₹25 lakh, up to ₹1 crore₹10,000₹400
Above ₹1 crore₹25,000₹600

LLP late fees

DelaySmall LLPOther LLP
Up to 15 daysNilNil
16 to 30 days2 times4 times
31 to 60 days4 times8 times
61 to 90 days6 times12 times
91 to 180 days10 times20 times
181 to 360 days15 times30 times
Above 360 days (Form 8 and Form 11)15 times + ₹10 a day30 times + ₹20 a day

Times the normal filing fee, from 1 April 2022.

Post office savings rates (October to December 2026)

SchemeInterest a year
Post office savings account4.0%
Recurring deposit (5 years)6.7%
Time deposit: 1 year6.9%
Time deposit: 2 years7.0%
Time deposit: 3 years7.1%
Time deposit: 5 years7.5%
Monthly Income Scheme7.4%
Senior Citizens Savings Scheme8.2%
National Savings Certificate7.7%
Public Provident Fund7.1%
Kisan Vikas Patra (matures in 115 months)7.5%
Sukanya Samriddhi Account8.2%

Unchanged for the tenth quarter in a row. The government resets them every quarter.

NSC interest rates since 2016

Invested betweenRate
1 Apr 2023 to 31 Dec 20267.7%
1 Jan 2023 to 31 Mar 20237.0%
1 Apr 2020 to 31 Dec 20226.8%
1 Jul 2019 to 31 Mar 20207.9%
1 Oct 2018 to 30 Jun 20198.0%
1 Jan 2018 to 30 Sep 20187.6%
1 Jul 2017 to 31 Dec 20177.8%
1 Apr 2017 to 30 Jun 20177.9%
1 Oct 2016 to 31 Mar 20178.0%
1 Apr 2016 to 30 Sep 20168.1%

The rate on the day you invest stays for all five years.

Gold and silver rates on 31 March

DateGold, 24 carat (₹ per 10 g)Silver (₹ per kg)
31.03.2025₹91,190₹1,03,900
31.03.2024₹69,135₹77,800
31.03.2023₹59,512₹71,582
31.03.2022₹51,278₹66,990
31.03.2021₹44,013₹62,862
31.03.2020₹43,000₹39,200
31.03.2019₹31,640₹37,245
31.03.2018₹30,680₹38,355
31.03.2017₹28,950₹42,000
31.03.2016₹28,340₹36,990
31.03.2015₹26,245₹37,825
31.03.2014₹28,470₹43,070
31.03.2013₹29,610₹54,030
31.03.2012₹28,040₹56,290
31.03.2011₹20,775₹56,900
31.03.2010₹16,320₹27,255
31.03.2009₹15,105₹22,165
31.03.2008₹12,125₹23,625
31.03.2007₹9,395₹19,520
31.03.2006₹8,490₹17,405
31.03.2005₹6,180₹10,675
31.03.2004₹6,065₹11,770
31.03.2003₹5,310₹7,695
31.03.2002₹5,010₹7,875
31.03.2001₹4,190₹7,215
31.03.2000₹4,380₹7,900
31.03.1999₹4,235₹7,615
31.03.1998₹4,045₹8,560
31.03.1997₹4,725₹7,345
31.03.1996₹5,160₹7,346
31.03.1995₹4,680₹6,335
31.03.1994₹4,598₹7,124
31.03.1993₹4,140₹5,489
31.03.1992₹4,334₹8,040
31.03.1991₹3,466₹6,646
31.03.1990₹3,200₹6,463
31.03.1989₹3,140₹6,755
31.03.1988₹3,130₹6,066
31.03.1987₹2,570₹4,794
31.03.1986₹2,140₹4,015
31.03.1985₹2,130₹3,955
31.03.1984₹1,975₹3,570
31.03.1983₹1,800₹3,105
31.03.1982₹1,700₹2,720
31.03.1981₹1,670Not available

Used for capital gains on gold bought before April 2001 and for valuations. For 31 March 2026 and later, see IBJA's official rates (linked below).

Deduction for interest: 80TTA and 80TTB

80TTA80TTB
WhoIndividuals and HUFs below 60Resident senior citizens (60+)
Interest coveredSavings account interest onlyInterest on savings and deposits (bank, post office, co-operative bank)
Maximum deduction₹10,000₹50,000
RegimeOld regime onlyOld regime only

Section numbers from the Income-tax Act, 1961; the old regime continues these deductions.

Acts and Rules

Every major law, each linked to the government’s official copy.

Acts

Older and replaced Acts (23)For past years, and for petrol, diesel and liquor, which are still outside GST.

Rules

Older rules (3)For past years.

Laws are amended often, so each link opens the government’s own, up-to-date copy. Most Acts open on India Code, the official library of Indian law.

Forms

Where to download or file each form.

Older forms (2)For past years.

Calculators and tables are for information only and were checked on 4 October 2026. Please check with us before you file or pay.