Vindhyachal  pronunciation (help·info) is a town in Mirzapur District of Uttar Pradesh state in northern India. The city is a Hindu pilgrimage site having the temple of Vindhyavasini, where according to mythology a part of Sati (an Avatar of Durga) Born in Nand Yadav Family as sister of Lord Krishna. The river Ganges flows through this city. The Indian Standard Time (IST) line passes through the Vindhyachal railway station.

As of 2001^[update] India census Vindyachal and Mirzapur were together considered a single census entity: a municipal board tagged as 'Mirzapur-cum-Vindhyachal'.

Since 1989 there is a HVDC back-to-back station with a maximum transmission power of 500 megawatts and an operating voltage of 176 kV. The HVDC-back-to-back station at Vindhyachal is used for the interconnection of the power grids of Northern and Western India. The equipment was built by ABB Group..In the same year another HVDC came up at upper sileru project.The equipment was built indigenously by BHEL and APGENCO.This HVDC is used for grid synchronization between central and southern India.

Raj Gupta is the former Chief executive officer and president of the Fortune 500 company Rohm and Haas. Rohm and Haas was acquired by Dow Chemical on April 1, 2009.

Gupta graduated in 1967 with a degree in mechanical engineering from Indian Institute of Technology Bombay. Gupta continued his studies going on to earn an M.S. degree in Operations Research in 1969 from Cornell University, and his M.B.A. in Finance from the Bennett S. LeBow College of Business at Drexel University in 1972.

In 1971 Gupta joined Rohm and Haas as a financial analyst. Working his way up through the company, Gupta was elected CEO and chairman of Rohm and Haas in 1999, and in 2005 became president.

On April 29, 2005 the US Pan Asian American Chamber of Commerce named Gupta as one of the top 10 Most Influential Asian Americans in Business. In 2006 Gupta was named Drexel's 53rd Business Leader of the Year. Gupta has also served as the chairman for the American Chemistry Council and the Society of Chemical Industry, America Section.