Sundaram clayton offers anti-lock braking system for commercial vehicles. The anti-lock braking system, which is said to have been directed as compulsory on commercial vehicles transporting unsafe goods, will be ultimately made compulsory on all commercial vehicles. Anti-lock braking system averts vehicle skidding, tractor-trailer jackknifing, decreases stopping distance, enhances stability and steer-ability as well as boosting the life of tyres, brakes and suspension. Also termed as abs system, the anti-lock braking system from sundaram clayton is pneumatic in nature and its hardware specifications include: a pole wheel fixed on the wheel hub; sensor, which is attached on the brake carrier and produces a sinusoidal voltage proportional to wheel speed and transmits to ecu; ecu and a modulator valve, which is positioned near the brake actuator in the service line and handles braking pressure during abs operation.