Purchase period: You can opt for Engine Health annual subscription, which is valid for one year, once the Engine overhauling is done at any of the VOC Authorised network centers anywhere in India. What is covered in this Subscription? Regular and period maintenance of 99 parts. The Service is done by the expert Technician of VOC. We use genuine spare parts only. Benefits: Fast and efficient quality spares, highest Service standards are followed. Cost saving as major replacements are included in the Subscription. What more is that, even if the vehicle changes hands, the subscription is valid for the period stated while subscribing.