Chief Minister laid the foundation stone for 28 industrial projects with a collective investment of Rs 51,157 crore.
He also inaugurated 19 additional projects with an investment of Rs 17,616 crore, totaling 47 projects.
These initiatives are expected to generate the employment for over one lakh individuals.
The Singapore-headquartered Sembcorp will invest Rs 36,238 crore for the establishment of a green hydrogen/green ammonia manufacturing unit in Tuticorin district.
Renewable energy company Greenko Group will set up pumped storage projects across Tamil Nadu with an investment of Rs 20,114 crore.
The government in association with TIDCO and TATA Technologies with establish the Tamil Nadu Engineering and Innovations Centre (TN ENGINE) at Coimbatore with an investment of Rs 400 crore.