First Indian Detective Agency (FIDA) is the best detective agency in Delhi that provides comprehensive investigation services for individuals and corporations. Our personal investigation services include pre-marital and post-marital investigation, loyalty test, extramarital affairs investigation and financial fraud investigation. For corporate clients, FIDA provides pre-employment and post-employment investigations, conducts sting operations, verification of assets and conducts due diligence.FIDA's team of talented private investigators uses advanced technology to deliver exceptional results and has established itself as a leading detective agency in Delhi.