Indian IT services — TCS, Infosys, HCLTech, Wipro, Tech Mahindra, LTIMindtree, Persistent Systems, Mphasis, Coforge — are among the most popular NSE stocks for retail investors. They've created enormous wealth historically and they're widely held in Indian portfolios. But understanding them in 2026 requires a different lens than the one that worked in 2010-2020.
This guide explains how to actually analyse Indian IT stocks: the metrics that matter, the structural shifts the sector is navigating (AI, in-housing, US slowdown), and where the real differentiators between TCS, Infy, and the rest actually sit.
The business model — what IT services companies actually do
Indian IT services firms sell technology consulting + software development + managed services primarily to large enterprises in the US, UK, and Europe. The model is:
- Hire smart engineers in India at lower cost
- Bill them out to US/EU clients at significant markup
- Capture the spread between billing rate and salary cost
For TCS in 2026: ~50% of revenue from the US, ~30% from Europe, ~12% from India. Top verticals: BFSI (banking + financial services + insurance), Retail, Manufacturing, Communications. Similar mix for Infosys, HCL, Wipro.
This shapes everything about how the sector trades — currency, US demand, talent costs, and dollar billing rates are the four levers.
The five metrics that decide an IT firm's quality
1. Revenue Growth (constant currency, year-over-year)
The headline number. Always look at constant-currency (CC) growth, not reported INR growth. Reported growth includes rupee depreciation, which is a currency effect, not real business growth.
| CC revenue growth (annual) | Signal |
|---|---|
| 10%+ | Strong — gaining market share or in a demand-up cycle |
| 5-10% | Normal — in line with sector growth |
| 0-5% | Below market — losing share or sector slowing |
| Negative | Real concern — specific company or sector trouble |
2024-2025 has been a slow patch for Indian IT — most majors grew 1-5% CC. The slowdown is driven by US client tech-spend caution + early AI cannibalisation. Recovery expected through 2026-2027.
2. Operating Margin (EBIT margin)
How efficiently the company converts revenue to profit. Direct read of operational quality.
| Operating Margin | Signal |
|---|---|
| 25%+ | Best-in-class (TCS historically; some niche players) |
| 22-25% | Strong — most top-tier IT majors |
| 18-22% | Average — Infosys/HCL in current form |
| 15-18% | Under pressure — Wipro/Tech Mahindra recent years |
| Below 15% | Structural problem |
Margins compress when: rupee strengthens, salary costs rise faster than billing rates, utilisation drops, attrition spikes (recruitment + training costs). They expand when: rupee weakens, pricing improves (rare), pyramid optimisation works (fresher hiring vs lateral).
3. Attrition Rate
What it is: Annual % of employees leaving the company. Most Indian IT majors report this quarterly. A non-financial metric, but it's a leading indicator of margins.
| Attrition | What it means |
|---|---|
| Below 12% | Excellent — TCS routinely here, signals strong employer brand |
| 12-18% | Healthy — most top-tier IT majors in normal cycles |
| 18-25% | Elevated — recruitment + training costs surge |
| Above 25% | Crisis — what most IT firms saw in 2021-2022 post-COVID |
High attrition is a 12-18 month margin headwind because of training costs + bench (employees not yet productive). When attrition normalises, margins recover.
4. Deal TCV (Total Contract Value)
Every quarter, IT majors announce their "deal wins" or "TCV signed" — the total value of multi-year contracts won that quarter. This is the leading indicator of next year's revenue.
| TCV signed vs trailing-4Q revenue | Signal |
|---|---|
| 1.3-1.5× | Strong pipeline — sets up next year for growth |
| 1.0-1.3× | Adequate — replacement-level wins |
| Below 1.0× | Concerning — revenue may decline next year |
This is one of the few forward-looking metrics IT majors disclose. Watch concall transcripts for the "deal pipeline" commentary.
5. ROE and ROCE
IT services is a capital-light business — most ROE comes from operational efficiency, not leverage. Expect:
- TCS: 40-50% ROE, 40%+ ROCE — the industry gold standard
- Infosys, HCL: 25-35% ROE
- Wipro, Tech Mahindra: 15-22% ROE
If an IT services firm shows ROE below 15% sustainably, something's structurally broken.
The structural shifts of 2024-2026
AI cannibalisation — real or overblown?
The bear case: AI tools (GitHub Copilot, ChatGPT, etc.) automate code writing → less billable hours → revenue compression. Already visible in 2024 reports as US clients ask for productivity-gain pricing.
The bull case: clients are spending MORE on AI consulting, GenAI implementation, data infra build-out. The mix shifts but the dollar size of IT spend doesn't shrink. TCS and Infy explicitly call out GenAI deal wins as growth tailwinds in 2025-2026.
Reality: probably both. Routine app-development gets cannibalised; high-value AI-strategy consulting expands. Net-net likely flat-to-positive but with margin pressure on the cannibalised lower-end work.
In-housing trend
Several US-based clients (Bank of America, Walmart, JPMorgan) have built their own captive global capability centres (GCCs) in Bangalore + Hyderabad, hiring engineers directly instead of paying IT services markup. This is real and will continue. Big IT services firms now rotate into higher-margin consulting + transformation work to compensate.
USD-INR direction
Indian IT earnings are denominated in USD. When the rupee depreciates (INR weakens vs USD), reported INR earnings rise mechanically without underlying growth. Watch for: USD/INR moving from 83 → 90 over 2024-2026 has been a tailwind. Any reversal (rupee strengthening) would compress margins immediately.
The valuation framework
IT majors trade on P/E with relatively stable bands:
| P/E range (Indian IT services) | What it implies |
|---|---|
| 30×+ | Premium — sector view very bullish (last seen 2021-2022) |
| 22-30× | Normal — TCS typically here, Infy slightly below |
| 15-22× | Cyclical low — current form for most of sector (early 2026) |
| Below 15× | Crisis-priced — only happens during major demand shocks |
Cross-check with the dollar-revenue multiple. IT services trade at 4-7× annual dollar revenue. Anything above 7× is premium pricing.
The hierarchy — and what each tier is actually betting on
| Tier 1 — large-cap majors | The bet |
|---|---|
| TCS | Industry leader, best operations, premium margins. Quality-compounder thesis. |
| Infosys | Strong #2, AI/cloud transformation story, slightly lower margins than TCS |
| HCLTech | Engineering services + Mode 1/2/3 mix. Software products business (HCL Software) is differentiator |
| Wipro | Turnaround story — new CEO, restructuring. Higher-risk play on margin recovery |
| Tier 2 — mid-cap specialists | The bet |
|---|---|
| LTIMindtree (post-merger) | Combined L&T Infotech + Mindtree. Scale + tech focus on BFSI and Manufacturing |
| Persistent Systems | Engineering services for ISVs (software companies). High-margin niche |
| Coforge | Insurance + travel verticals specialist; strong growth from a smaller base |
| Mphasis | Blackstone-owned heritage. BFSI + tech transformation |
Tier 2 mid-caps trade at structurally lower P/E than tier-1 but offer higher growth in good cycles. They're more volatile to demand shocks.
Practical workflow on VivaTrades
- Filter: On /stocks, filter sector = "Information Technology" or "IT Services".
- Use the screens: The Explore page has "High ROE" and "Quality Leaders" screens that surface IT majors prominently.
- Compare: Side-by-side comparisons like TCS vs Infosys or HCLTech vs Tech Mahindra show valuation + margin gaps cleanly.
- Per-stock deep dive: Each stock page shows the AI-written snapshot, pros/cons (including IT-specific factors like USD exposure), peer ranking, and risk flags.
- Always cross-check quarterly results: The constant-currency growth + deal TCV + commentary on AI/in-housing is what matters more than the headline numbers.
Common mistakes
- Buying purely on the rupee-depreciation tailwind. When the rupee reverses, the mechanical earnings boost reverses too.
- Ignoring deal TCV. A quarter's revenue tells you what happened. TCV tells you what's coming.
- Picking based on P/E alone. Wipro at low P/E might be cheap or might be cheap for a reason. Look at margin trends + deal pipeline.
- Dismissing the AI risk entirely. It's not nothing. Even bullish scenarios involve margin compression on commodity work.
Bottom line
Indian IT services in 2026 is a sector at a structural inflection. The next 2-3 years decide whether the majors emerge as AI-enabled consultants with strong dollar earnings, or whether they get squeezed by client in-housing + AI cannibalisation. The framework — constant-currency growth + operating margin + attrition + deal TCV + ROE — gives you the lens to distinguish quality (TCS) from turnaround bets (Wipro) from mid-cap growth plays (Coforge, Persistent).
The numbers are knowable. The macro environment is uncertain. Both matter.