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Guhayavarman, founder and head coach of Calibrate by GVNFIT, portrait photo

A precision performance system engineered for high-performing Indian professionals. Built on data, calibrated to your biology. We eliminate guesswork and engineer sustainable body recomposition using the DMAIC framework.

YOUR BODY IS A SYSTEM.
TIME TO CALIBRATE IT.

DEFINE . MEASURE . ANALYSE . IMPROVE . CONTROL

About Us

THE CALIBRATION PROTOCOL, ENGINEERED FOR YOUR BODY

Guha is a certified performance coach and the architect of The Calibration Protocol, a DMAIC-based system built for high-performing Indian professionals done with generic fitness plans. Define. Measure. Analyse. Improve. Control. No guesswork, no motivation-dependent fixes. Just a structured, data-first framework built around your body, your schedule, and your goals.

Define & Measure

We start with your baseline: body composition, hormonal markers, training history, recovery capacity. No program begins until we know exactly what we're working with.

Improve & Control

Weekly check-ins adjust load, nutrition, and recovery based on real data. Nothing runs on autopilot. Every four weeks we review the numbers and recalibrate the plan.

Coaching Services

Coach Guhayavarman running a 1:1 online coaching video call with a client from his laptop

1:1 ONLINE COACHING

Coach Guhayavarman reviewing a client's training data on a tablet during a 1:1 personal coaching session

1:1 Personal COACHING

Coach Guhayavarman correcting an older client's posture during a corrective functional training session

Corrective functional training

Why choose us

Hormonal Miscalibration

Your hormonal profile controls how your body responds to training and nutrition. Without measuring it, even perfect execution gives unpredictable results.

Unsystematic Approach

Generic one-size-fits-all diets rarely work. Without tracking what you eat and how your body responds, it is nearly impossible to see real progress.

Discipline Over Dependence

Quick fixes show fast results, but they rarely last. A program should be something you can sustain long-term, not something that falls apart the moment motivation dips.

Built-In Accountability

Fitness is never a one-man show. You need a system, plus support from coaches and peers on the same journey, to stay consistent and hit your targets.

Data-First Programming

Weight, body fat percentage, hormonal markers, and training logs all feed one system. Decisions get made on numbers, never on how the week felt.

Precision Accountability System

Weekly check-ins, direct coach access, and a structured review cadence keep you honest between sessions, not just during them.

About Coach

Guhayavarman has coached body recomposition for over 10 years. He is NASM and ASM certified and a qualified Exercise Physiologist. He started as a freelance trainer in Chennai in 2016, has coached fully online since 2021, and has worked with more than 1,000 clients along the way. Coaching is fully remote, so it works whether you live in Chennai, Singapore, Dubai, London, New York, Sydney, Kuala Lumpur or Tokyo.

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He built The Calibration Protocol after seeing the same pattern on repeat: driven professionals doing everything right on paper and still not moving the needle, because nothing was actually being measured. The protocol borrows DMAIC (Define, Measure, Analyse, Improve, Control) from process engineering and applies it to fat loss and muscle gain. Every client starts with a full body composition and hormonal baseline before a single session is programmed.

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The belief behind it is simple. Long-term results come from structured systems, not motivation that runs out by week three. Train the system, not just the muscle.

Guhayavarman, head coach at Calibrate by GVNFIT, standing in a training studio

Price Plan for Executives

Most Popular

Advanced Plan

Built for consistent gym members ready to level up

₹11,999

/month
~US$125

Everything in Foundation, plus:

✔ Weekly 1:1 check-ins with Head Coach

✔ DMAIC Improve phase - live plan corrections

✔ Monthly body composition scan Analysis

✔ WhatsApp coaching access

✔ Nutrition plan calibrated to your data

Foundation

DMAIC self-assessment plus a monthly programming template for self-starters.

₹8,999

/month
~US$94

✔ Full DMAIC Body Audit (Define + Measure)

✔ Monthly programming template

✔ Baseline body composition scan review

✔ Access to habit-tracking app

✔ Email support, 48hr response

✔ Self-paced, no live coaching

Elite Plan

Complete access for maximum results. Everything you need to reach your peak.

₹15,999

/month
~US$167

Everything in Advanced, plus:

✔ Twice-weekly check-ins

✔ Full DMAIC Control phase: habit systems that stick

✔ Priority WhatsApp access, same-day response

✔ 3 video strategy sessions a week

✔ Direct access to Head Coach for all plan changes

1-on-1 Personal Training

Best Value

16 Sessions

16 in-person sessions with a certified Exercise Physiologist, 30-45 min each. Best value for consistent, longer-term 1-on-1 coaching and steady progress tracking.

₹28,999

/package

✔ 16 x 30-45 min 1-on-1 sessions

✔ Certified Exercise Physiologist

✔ Best value per session

✔ Chennai & Bangalore, in-person

✔ Progress review every 4 sessions

✔ WhatsApp support between sessions

12 Sessions

12 in-person sessions with a certified Exercise Physiologist, 30-45 min each. Built for individualized programming around injury or medical conditions, with maximum variety in training.

₹21,999

/package

✔ 12 x 30-45 min 1-on-1 sessions

✔ Certified Exercise Physiologist

✔ Program built around injury/medical history

✔ Chennai & Bangalore, in-person

✔ WhatsApp support between sessions

1-on-1 Virtual
Personal Training

Best Value

16 Sessions

16 live virtual sessions with a certified Exercise Physiologist, 30-45 min each. Best value for staying consistent when you travel often or prefer training on your own schedule.

₹23,999

/package
~US$250

✔ 16 x 30-45 min live video sessions

✔ Certified Fitness Trainer

✔ Best value per session

✔ Train from anywhere, any city

✔ Progress review every 4 sessions

✔ WhatsApp support between sessions

12 Sessions

12 live virtual sessions with a certified Exercise Physiologist, 30-45 min each. Train from home, on vacation, or while travelling for work, with equipment adapted to whatever you have available.

₹17,999

/package
~US$188

✔ 12 x 30-45 min live video sessions

✔ Certified Fitness Trainer

✔ Minimal to full equipment, your call

✔ Train from anywhere, any city

✔ WhatsApp support between sessions

Frequently asked questions

Contact us

Group of professionals training outdoors as part of Calibrate's body recomposition coaching programme
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