This is the single most powerful tax benefit available to Indian startups — and the most under-claimed. Under Section 80IAC, an eligible startup can claim a 100% deduction on profits and gains from business for any three consecutive assessment years out of the first ten years from the date of incorporation. That means you can legally pay zero income tax on your business income for three full years — not a reduced rate. Zero.

Who qualifies?

For startups with genuine product development — tech companies, biotech, agritech, edtech — Section 35(2AB) is a goldmine. Companies investing in in-house scientific research can claim a 150% weighted deduction on approved R&D expenses. You spend ₹1, you deduct ₹1.50. This applies to both capital expenditure (lab equipment, servers) and revenue expenditure (R&D staff salaries, software subscriptions, consumables) — provided they are incurred within a DSIR-approved in-house R&D facility.

What expenses qualify?

• R&D team salaries — engineers, scientists, researchers working exclusively on product development
• Equipment & machinery — servers, testing equipment, lab instruments purchased for R&D
• Software licenses — development tools, simulation software, testing platforms used in R&D
• Consumables — raw materials, components, chemicals consumed in prototyping
• R&D space costs — electricity, internet, and facility charges for the dedicated R&D department

Angel tax is the provision that caused more startup founder panic in India than anything else in the tax code. Under Section 56(2)(viib), if you raise funds from an angel investor at a valuation higher than fair market value (FMV), the excess premium is treated as "income from other sources" and taxed in the startup's hands as regular income — even though it's equity capital you raised from investors.

The good news: DPIIT-recognised startups are exempt from this provision — provided you meet the conditions and file correctly before the round closes.

Conditions for the exemption

• The startup holds valid DPIIT recognition at the time of share issuance
• Aggregate paid-up capital + share premium does not exceed ₹25 crore after the proposed issue
• Investment is from resident investors or notified entities (foreign investment has separate FEMA implications)
• The startup files Form 2 with DPIIT to claim the exemption before shares are allotted

Every startup spends money before it earns a rupee — legal fees, company registration, MOA/AOA drafting, stamp duty, professional consultancy. Most founders either expense all of this in Year 1 (creating a paper loss with no current tax benefit) or worse, their books treat it as a non-deductible capital expense. Both approaches leave money on the table.

Under Section 35D, all qualifying preliminary expenses are amortised — deducted equally over 5 consecutive years starting from the year business commences. The maximum deduction is 5% of the project cost or capital employed, whichever is higher.

What qualifies as preliminary expenses?

• Incorporation costs — ROC registration fees, stamp duty on MOA/AOA, Form filing charges with MCA
• Legal & professional fees — CA/CS charges for incorporation, drafting of shareholders' agreements
• Feasibility studies — market survey reports, technical feasibility assessments commissioned pre-launch
• Project report preparation — business plans and financial projections prepared by professionals
• Underwriting commissions — if shares were publicly offered at incorporation

ESOPs are one of the most powerful wealth-creation tools in a startup's arsenal — but also one of the most poorly structured from a tax perspective. ESOPs are taxed twice: once as a perquisite (salary income) at exercise, and again as capital gains at sale. Smart founders plan around both events to minimise total tax outflow for themselves and key employees.

How ESOP taxation works — the complete timeline

GRANT DATE     →  No tax event. Options granted at exercise price (often Re 1 or face value).

VESTING DATE   →  No tax event. Options vest per cliff/schedule (4-yr vest, 1-yr cliff is standard).

EXERCISE DATE  →  TAXABLE EVENT #1 — Perquisite (salary income)
                   Taxable amount = (FMV on exercise date) − (Exercise price paid)
                   Taxed at slab rates — up to 30% for high earners.
                   For DPIIT startups: tax is DEFERRED to the earliest of —
                   (a) Sale of shares  (b) Leaving the company  (c) 5 years from exercise date

SALE DATE      →  TAXABLE EVENT #2 — Capital gains
                   STCG (held < 2 years, unlisted): taxed at applicable slab rate
                   LTCG (held ≥ 2 years, unlisted): 20% with indexation benefit
                   Cost basis for CG = FMV on exercise date (already perquisite-taxed)

Growing your team? The government effectively subsidises part of your salary bill — through a deduction. Under Section 80JJAA, companies can claim an additional 30% deduction on emoluments paid to new employees, over and above the normal salary deduction, for three consecutive assessment years. Every ₹100 you pay in qualifying wages lets you deduct ₹130 from taxable income.

Conditions to satisfy

• Business accounts must be subject to tax audit (turnover above ₹1 crore for business, ₹50 lakh for professionals)
• New employee must have total emoluments of ₹25,000 per month or less
• New employee must have worked for at least 240 days in the year (150 days for apparel, footwear, leather manufacturing)
• Employee must be newly employed — not a transfer from a sister concern or existing group entity
• Emoluments must be paid via account payee cheque or bank transfer — no cash wages