2012 Bajaj Discover 150

. The bike had an engine capacity of 125 cc.

A 135 cc variant was launched. The Discover was the second Bajaj bike (After the Pulsar segment) to come with the six-spoke alloys and the patented "Exhaus-TEC"—basically a resonator that boosts torque at lower rpms. Which features a front disc brake, self-start, nitrox suspension, and black alloy wheels. The silver engine has also been powder-coated black in the 135 cc variant.

With a DTS-Si engine. After the success of the Discover 100, Bajaj launched a 150 cc version and stopped production of the 135 cc variant.

. A new variant, the 125ST, featuring an entirely new body design and graphics, was launched

. Three new models based on the same design of the 125ST- 100 T, 100M and 125 T powered by the world's first 4 valve twin spark - DTSi engine were launched

. The 100M is launched with the tagline "Mileage ka naya satya" (new truth of mileage), the company claimed 84 km/L, it's a 102cc bike. with 95 km/h max. speed, 4 valve Engine.

Two 150 cc variants of the Discover were launched, the 150S and 150F. Both models were based on the 125ST styling, except for the fact that the 150S was a naked version and the 150F featured a sporty body fairing.

Bajaj reverted to the traditional Discover design, launching the 125cc version of the same and featuring an analogue tachometer, while delivering performance like its older 125cc counterpart. The Discover lineup of bikes was eventually discontinued in March 2020.

Due to too many models being introduced under the Discover brand which led to poor sales. It was replaced by Bajaj Pulsar 125.