PSLV's Vikas engine: Veteran ISRO scientist's tribute to Vikram Sarabhai

India's Polar Satellite Launch Vehicle (PSLV) rocket, is undoubtedly among the most successful and consistent rockets in the world among the sub-1.5ton payload to Low-earth orbit or polar orbits. But one lesser-known facet beyond the enviable success rate of this rocket, is its second-stage engine - Vikas. Padma Bhushan Nambi...