Stroke recovery is brutal. The repetitive upper-limb exercises that patients must perform thousands of times to rebuild motor function are not just physically exhausting — they're psychologically grinding. Dropout rates are high, physiotherapists are scarce, and hospital-based care is expensive. A Chennai-based startup thinks a VR headset can change all of that. Meet XTend Skillveri, founded by a Kerala entrepreneur and headquartered in Chennai, has developed XTend — a VR hea