Revathi Equipment Limited is a holding company. The Company is engaged in blasthole drilling and water well drilling equipment. The Company operates through two segments: Construction and Mining, and Engineering Design Services. It manufactures and markets Blast Hole Drills (Rotary and down-the-hole (DTH), Diesel/Electric driven) for mining applications, Jackless Drills for Construction and Mining applications, Water Well Drills (over 1,000 meters depth and beyond), Hydro-Fracturing Units and Exploratory Drills (approximately 1,300 meters depth). Its drilling rigs are used in mines, such as coal, copper, gold, iron, zinc, phosphate, bauxite, lignite, limestone. It offers drilling equipment with hole sizes ranging from 63 millimeters (2½ inch) to 349 millimeters (13¾ inch). It also offers customers a Maintenance and Repair Contract (MARC), which enables them to outsource the maintenance of all their drilling equipment. Semac Consultants Pvt. Ltd is the subsidiary of the Company.