Top auto sector news of the week: Hero MotoCorp discontinues two 150cc motorcycles, some exclusive news about the new Land Rover Discovery and Range Rover Velar launch in India, Salman Khan's Being Human launches e-Cycles, Kia's new subcompact SUV - Stonic revealed, Renault Kwid gets new decal packs, NASA launches Mars Rover Concept, Paytm offers traffic challan payment option and Either Polaris Multix launched in Haryana.