Bengaluru-based semiconductor startup Nova Spectral AI has raised Rs 21.15 crore ($2.25 million) in a round led by Shastra VC, with participation from Equirus InnovateX Fund, and angel investors. The company plans to develop an infrared image sensor chip for defence drones and surveillance systems.Founded by IIT Kanpur alumni Anish Priyadarshi and Sanjeev Kumar, the startup is developing a short-wave infrared (SWIR) sensor that can help cameras