|1993 - Vishnu Chemicals Ltd. was founded as Keystone industries Ltd near Hyderabad in Andhra Pradesh. It was incorporated by Mr. Krishna Murthy to manufacture Chrome Chemicals.
2006 - Name of the company was changed to Vishnu Chemicals Ltd.
2007 - On the same date board also recommended issuing 2400000 Equity shares under QIP (Qualified Institutions Placement).
- Again on 21st June 2007 board had approved to issue and allotment of equity shares to raise funds up to Rs. 50 Cores under private placement.
- On the same date board also approved the appointment of Shir. V S Raju & Shir. J Appa Rao, as Directors of the company who retires by rotation and offers themselves for re appointment.
- The board of directors of Vishnu Chemicals Ltd had decided to increase the authorized capital of the company from Rs 16 crore to Rs 20 crore.
2008 - The board of directors of the company had decided to increase authorized capital of the company from Rs 20 crore to Rs 52 crore.