Sparks from a drilling machine apparently spread to the explosive material stored at some distance and caused the explosion, police said.
The sound of explosion could be heard outside the 110-year-old factory, producing nitrocellulose, nitroglycerin and propellants for small arms and ammunitions, police said.
Of the injured, three workers were taken to Coimbatore, two others admitted in the nearby Wellington Military Hospital and the remaining in the factory hospital.
Five workers had lost their lives in a similar blast in the factory when mixture of explosive dough exploded in November 2010.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
