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Indian tax, GST and EPF forms, explained

What each form actually is, who files it, when, and the mistake that costs people the most. Written for the person filling it in, not for someone who already knows.

Income tax· 13

Form 16

TDS certificate on salary

The certificate your employer issues showing the salary paid to you and the tax deducted from it. Part A comes from TRACES and carries the quarterly TDS summary; Part B is the salary breakup and the deductions your employer allowed.

Form 16A

TDS certificate on income other than salary

The TDS certificate for income that is not salary — bank interest, professional fees, rent, commission. Issued quarterly by whoever deducted the tax.

Form 26AS

Annual tax statement

Your consolidated tax statement: every rupee of TDS credited against your PAN, advance tax and self-assessment tax you paid, and refunds issued.

Annual Information Statement (AIS)

AIS and TIS

A much wider statement than Form 26AS: interest, dividends, securities and mutual fund transactions, foreign remittances and more, gathered from the entities that reported them. The TIS is its summarised sibling.

ITR-1 (Sahaj)

Sahaj

The simplest return form, meant for a resident individual with salary or pension, one house property, and other income such as bank interest, within the prescribed income limit.

ITR-2

The return for individuals and Hindu Undivided Families who do not have income from a business or profession — capital gains, more than one house property, foreign income or foreign assets all land here.

ITR-3

The return for individuals and HUFs carrying on a business or profession, including partners in a firm. It carries full financial statements and, where applicable, an audit report.

ITR-4 (Sugam)

Sugam

The return for those declaring income on a presumptive basis under the relevant sections, rather than maintaining full books.

Form 15G

declaration to avoid TDS on interest

A self-declaration that your total income for the year will be below the taxable limit, so the bank should not deduct tax from your interest.

Form 15H

senior citizen declaration to avoid TDS

The senior citizens' version of Form 15G: a declaration that the tax on your estimated total income will be nil, so no tax should be deducted from your interest.

Form 10E

relief for salary arrears

The form that supports a claim for relief where salary arrears or advance salary have pushed you into a higher bracket in the year you received them.

Form 12BB

employee investment declaration

The statement you give your employer listing the deductions and exemptions you intend to claim — rent, home loan interest, investments, leave travel — so the right amount of TDS is deducted from your salary.

Form 15CA

declaration for a foreign remittance

The declaration filed before money is remitted to a non-resident, stating the nature of the payment and the tax deducted on it.

PAN & identity· 4

GST· 4

EPF· 4

Company & MCA· 4

Banking· 3

Explainers, not tax advice. Deadlines, thresholds and eligibility change every year and are frequently extended. Treat the dates here as orientation and the issuing authority as the authority. DiemDesk is not affiliated with or endorsed by any government department, we do not host copies of government forms, and we do not file anything on your behalf.

Questions

Do you host the actual form PDFs?
No, deliberately. Government forms are revised without notice, and a stale copy served from our domain would be worse than none — you would file last year’s version and find out months later. Every page links to the issuing authority, whose copy is the current one.
Can DiemDesk file my return or claim?
No. These are explainers, and our tools are document tools. Filing happens on the income tax portal, the GST portal or the EPFO member portal. What we help with is everything around it: combining two Form 16s, compressing proofs under a payroll portal’s upload cap, turning a statement into rows, redacting an account number before forwarding.
Why does an Indian forms library exist on a PDF tools site?
Because the document work is the part nobody helps with. A filing season is mostly PDFs: certificates to reconcile, scans to shrink, statements to convert. Those jobs are what these tools do, and they do them without your documents leaving your device.