Choksi Laboratories Limited is an India-based provider of contract testing and analytical services. The Company analyzes, for its clients, or as a regulatory requirement, pharmaceuticals, food and agricultural products, construction materials, chemicals, calibration and environmental monitoring services. It operates through a single segment, which is analysis and testing. The Company's services include contract laboratory services, instrument calibration and validation services, environmental management services, clinical research, consultancy, and assaying and hallmarking (gold and silver). The Company's contract laboratory services include pharmaceutical analysis, food and beverages analysis, water analysis and construction material analysis. Its calibration services include laboratory and on-site calibration for test equipment, process equipment and, in many cases, end-user equipment; plant shutdown calibration, and consultancy for setting up an in-house calibration laboratory.