Depending on the nature of the evidence, specific forensic techniques are used. Each technique requires specific equipment or tools to collect, preserve, and analyze evidence. Fingerprint analysis (requires a camera/scanner, fingerprint powder, alternate light sources, lifting tape, etc.), questioned document analysis (requires measuring rulers and grids, a Video Spectral Comparator (VSC), a micro-spectrometer, etc.), Toxicology (requires Gas Chromatograph–Quadrupole Mass Spectrometer or GC-QMS, GC Ion Trap MS or GC-IMS, etc.), Serology (requires a DNA sequencer, microcentrifuge, stereomicroscope, etc.), firearms analysis (requires stereomicroscope, comparison microscope, GSR analyzing chemicals etc.), blood pattern analysis (camera, cotton swabs, sketchpad, etc.), etc. are all such techniques that are used when necessary.
About
Truth Labs, the first independent forensic science laboratory in India set up in 2007 has successfully completed 16 years of service by having established labs in six metropolitan cities, Delhi, Mumbai, Kolkata, Bengaluru, Chennai and Hyderabad, and reporting over 25,000 cases referred by Supreme Court, 6 High Courts, besides Sessions and Subordinate Courts of over 15 states as well as major Central Police organizations like CBI, NIA, NCRB, CRDF, SSB, etc. & State Police organizations of over 18 states besides over 1000 cases from Central and State Govt. Depts., Banks, Insurance Companies, Lawyers & Law Firms, Corporates & MNCs and Common People from 25 states across the country.
It is a matter of great satisfaction to the Experts, Founder of Truth Labs, its Advisory and Management Board that about 50 percent of the cases referred to Truth Labs come from Courts, Police, and Government Departments showing the reputation and supreme status of Truth Labs across India.