The Practice & The Person

Built from three decades of doing the work. Not advising on it.

Zentra Consulting exists because infrastructure companies managing materials across dispersed project sites have a governance problem that most consulting firms are not equipped to solve.

Founder

Col Zahl Tantra (Retd.)

Founder, Zentra Consulting · Bangalore, India

PMP · CRMP · MBCI · MBA · Research Scholar

"I spent 31 years in the Army Service Corps managing logistics in conditions where failure was not an option. That is not a metaphor. That is the foundation everything here is built on."

The Army Service Corps is the backbone of military logistics. Equipment, fuel, rations, technical stores, and support for entire formations across some of India's most demanding terrain. You learn to build systems that hold under pressure, with personnel who rotate frequently, in environments where there is no margin for error.

Those conditions are not so different from project site stores management in infrastructure companies. The stakes are financial rather than operational. The discipline required is identical.

The frameworks behind Zentra's work didn't come from a methodology manual. They came from thirty-five years of field experience. That story, and the thinking it produced, lives at www.zahltantra.com

Three Career Chapters

Military discipline. Commercial scale. Governance practice.

31 years in the Indian Army Service Corps. Logistics operations across mountains, deserts, and active operational zones. Supply chains under conditions where failure has consequences beyond the financial.

The foundation of everything that follows.

Three Decades · Milestones

The waypoints that shaped the practice.

1990

Commissioned

Indian Army Service Corps. Logistics under real operational conditions.

2000s

Field Command

Supply chains across mountains, deserts, and active operational zones — where failure has consequences beyond the financial.

2021

Retirement · Corporate

Head of Built-to-Suit at Mahindra Logistics — 4.5 million sq ft across 13 facilities in seven locations.

2023

Cluster Head, North India

3PL operations at two large automotive manufacturing plants in Uttarakhand.

2025

Zentra Consulting

Governance consultant to a major listed infrastructure company — 60+ dispersed rail project sites.

2025

Stores Manual · India-first

164-page Stores Management Manual authored solo, approved and rolling out at scale.

Credentials

PMP · CRMP · MBCI · MBA · Research Scholar

Sectors served

Rail infrastructure · Automotive 3PL · Warehousing at scale · Defence logistics

Engagement types

Governance manuals · SOP rollouts · Warehouse design · Site team training · Independent audit

The Zentra Difference

Not a consulting firm in the conventional sense.

No boilerplate frameworks handed over in a glossy deck. No recommendations that disappear with the invoice. Zentra works the way a seasoned practitioner works. On the ground, with your team, until the job is done.

Recce before anything else

Every engagement begins with site visits, conversations with Store Managers, and questions asked at every level without exception. Nothing assumed. Nothing repackaged from a previous engagement.

One domain. Properly.

Stores and inventory governance for infrastructure companies. Depth over breadth, every time.

Built with your people, not handed to them

Co-developed with your team on the ground. Tested, iterated, and tested again until it works in your conditions.

Present through implementation

Zentra stays through deployment and the iterations that follow. Handover only when the system holds.

A relationship, not a transaction

The relationship continues beyond handover, for as long as you need it to.

ERP-neutral

SAP, Oracle, MS Dynamics, or any platform you run. No rip-and-replace. No system dependencies. Zentra works with what you have.

Next Step

See where your stores function stands today.

Take the Health Check Schedule a Consultation