Let us discuss ISO 27001 in brief. ISO refers to the International Organization for Standardization. It is an international standard on how to manage information security.

ISO 27001 was developed to help organizations, of any size or any industry, to protect their information in a systematic and cost-effective way, through the adoption of an Information Security Management System (ISMS).

ISO 27001 la is the accepted global benchmark for the effective management of information assets. It enables organisations to avoid the costly penalties associated with non-compliance with data protection requirements and the financial losses resulting from data breaches.

ISO 27001 lead auditor certification can be done when you have at least four years of experience in process management and Quality management , of which at least two years on a job related to information security.

ISO 270001 Certification is needed in this modern era. Training and certification will give an itemized comprehension of review philosophy including meeting methods, inspecting hazard appraisals, guaranteeing fitting restorative activity, and rehearsing new aptitudes.
The value for this certificate is more in the corporate world.

There are no mandatory pre-requisites for ISO 27001:2013 but below are few recommendations.

Recommended to have training on ISO 27001:2013 through a qualified training institution.
Recommended to have work experience in quality and security.

I have one reference from my colleagues where you can do ISO 27001 lead auditor certification course with training.
This course is from GSDC. The ISO 27001 lead auditor certification cost of course is affordable.

WHY GSDC CERTIFICATION?

The Global Skill Development Council (GSDC) is an independent, vendor-neutral, international credentialing and certification organization for the emerging technologies:

Advisory board members and SMEs are from around the world, drawn from different specializations.
Supported by the world's most esteemed thought leaders from Yale, MIT, Stanford, Wharton, and Harvard.
Hub of Trending Technologies and framework certifications.
Content curated by Industry's best Subject matter experts.
Webinars and Conferences.
Training Partners Across The Globe.

This certification is valid for lifetime and accepted globally. You can check the given link below :

https://www.gsdcouncil.org/certified-iso-27001-lead-auditor