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GATE EC

GATE CS

Your AI guide for GATE

Learn theory fast. Solve PYQs. Ask unlimited doubts.

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Kelvi teaches universal gates and draws OR from three NAND gates

From GATE prep to your dream job

PSU jobs

M.Tech at IITs & NITs

Theory and GATE questions never meet

Lectures teach the theory. Books hand you the PYQs. Nobody joins the two. Kelvi teaches a topic, then gives you the GATE questions on it, while it is still fresh.

Learnt it.

Universal gates

Solved it.

The GATE questions on it

How it works

  1. 1

    Learn theory with AI

    Only the concepts GATE asks about, taught topic by topic at your pace.

  2. 2

    Solve PYQs

    Each previous year question comes right after the topic that teaches it.

  3. 3

    Ask any doubt

    On any lesson or question, at any hour. No waiting, no hesitation.

What you get

Ask as many doubts as you want

Stuck halfway through a lesson? Ask. Tap “I didn't get that” and it explains again, more simply.

A student asks why binary search is O(log n) and Kelvi explains

It draws the diagram

Circuits, logic gates, graphs, timing and state diagrams, drawn right in the chat.

Kelvi draws an inverting amplifier while teaching op-amps

Every PYQ, right after its topic

2,300+ EC and CS PYQs from 2008 to 2026, with vetted answer keys, each placed where you are ready for it.

A GATE 2011 Fourier series question with four options

Hints when you're stuck. Answers when you're done.

Ask AI gives hints before you answer, so you still do the thinking. After, the full solution and where you went wrong.

Ask AI gives a hint on a memory management question

See what you've learned

A topic map for every chapter shows what you have learned and how many PYQs you have solved.

The topic map of Stacks and Queues, three topics learned

Climb the national leaderboard

Every PYQ you get right adds marks. See where you stand this week and of all time.

Leaderboard

This weekAll time
  1. 1

    Aditi S.

    46 marks

  2. 2

    Rohan K.

    39 marks

  3. 3

    Meera P.

    32 marks

  4. 4

    Arjun V.

    25 marks

  5. 5

    Kavya R.

    18 marks

Answer 5 PYQs to see yourself here.

Sample board
PYQs with vetted keys
2,300+
Every year's papers
2008–2026
GATE papers
EC & CS
Full-length mock tests
5

Stay on track

Weekly goal

Pick 1 to 3 chapters a week, and see how far you have got.

Daily reminders

A nudge every day, morning, evening or night, whenever you study.

Questions

GATE EC (Electronics & Communication) and GATE CS (Computer Science & IT).

Register and everything is open for 7 days, with no payment. After that, pick a plan to keep going. Your progress stays.

Yes. Use it to clear doubts on what your coaching covered, and to practise the PYQs topic by topic.

Not in lessons and practice yet. The mock tests include it, as GATE does.

5 full-length GATE papers with GATE's marking, in January and February 2027. They come with every plan.

Yes. Kelvi is built for the phone first, and works in any browser on a laptop too.

Start your first chapter today

Register free

7-day free trial

Plans start at ₹2,999, valid till Feb 2028.

See plans

5 full-length mock tests.

See mock tests

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