INA Bearings India Pvt. Ltd. Manufactures Parallel Electrical Shift Gearbox. INA Bearings India Pvt. Ltd. Is an ISO / TS 16949:2002 and ISO 9001:2008 certified company. Parallel Electrical Shift Gearbox offers the ideal basis for a drive with high comfort and excellent efficiency. In addition to the quick, noiseless start [start-stop] this should also facilitate the recovery of braking energy [recuperation] and a downsizing of the combustion engine through a booster function. The separation of engine and electric motor can also lead to a further reduction in fuel consumption as the vehicle is moving solely under electrical power.