Prutor@IITK, is a tutoring system platform to conduct an introductory programming course. Prutor@IITK is a cloud-based web application that provides instant and useful feedback to students while solving programming problems. All rights reserved to Robust Results Private Limited (an incubated company of IIT Kanpur). Prutor stores, at regular intervals, the snapshots of students' attempts to solve programming problems. These intermediate versions of the student programs provide the instructors (and data analysts) a view of the students' approach to solving programming problems. Pruter is accessible through any standard web browser, students do not need to worry about dependencies external to the programming course, viz. Operating Systems, Editors, Compilers, Compiler Options, etc.. All rights reserved to Robust Results Private Limited (an incubated company of IIT Kanpur).