AE Mechanical Engineering Volume-1 & 2 + Mechanical Engineering Capsule Chapterwise Solved Papers (STATE PSC AE / ESE / ISRO / GATE / PSU / SSC JE / UPRVUNL JE / UPSSSC JE / MP SUB ENGINEERING / DSSSB / GPSC AMVI / MPSC AMVI / RSEB MVSI / Assam PSC JE / BSSC / CSEB AE / JE / CGPEB AE / JE) (2021 UP-To-Date)