About K.S. Instruments Pvt Ltd

K.S. Instruments Pvt Ltd, popularly known as KSI, was established in 1973. KSI has been widely known as a leading designer and manufacturer of Power resistors and allied products.

In 2014, the resistor business was separated as KWK Resistors India Pvt Ltd to better manage the fast-growing business with the focus that it needs. KSI continued to manufacture Electrical Junction boxes for Power generation industry. Towards end of 2016, KSI developed and tested a wide range of Low Tension Instrument Transformers. KSI invites you to explore the various product ranges through the Product section of the site. KSI assure to continue providing world class components and aiming to surpass your expectations everytime.

KSI Group

We are happy to announce that EMI Solutions is now a part of the KSI group.

KWK Resistors

KWK Resistors India Pvt. Ltd.

KS Instruments

K S Instruments Pvt. Ltd.

EMI Solutions

EMI Solutions Pvt. Ltd.

About EMI Solutions:

EMI Filters is the most popular and renowned available in the market. We manufacture the complete range of EMI Filters in Single and Three Phase ratings. Our product line includes Power Line Filters, Hemp Filters, Feed-through Capacitors/ Filters, Coaxial/EMP Connectors and Surge Suppressors.


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Press Release – KWK Resistors defEnnovation Award:

KWK Resistors India Pvt Ltd was awarded the Second Prize for excellence in ‘Manufacturing of Components – MSME’ category at the recently concluded ELCINA defEnnovation Awards 2019.


This award is in recognition of the company’s indigenous efforts in the Defence and Strategic electronics domain. KWK Resistors India is a pioneer in the defence sector and offers a wide range of resistive components for Defence and Aerospace applications. These components are deployed in extremely demanding environments with very high safety and reliability standards.


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