Government & Defence Entrance Exam

After Completing Common Proficiency Test (CPT), you need to register for Integrated Professional Competence Course (IPC) with ICAI. IPC is the second level under CA Course. Single Group or Both Group
The common thing that come to mind of students whether I give both group and 1st group only. It depends upon your capabilities, concentration and hardworking. If you registered for both group, it is not necessary to sit on both groups, you can opt for single group during form filing. If you are pretty sure about both group, plan accordingly. In dilemma at last moment some of the students leave the preparation for both groups and opt only 1st group, after doing all there preparations, just due to his/her friends is doing so, they lower down there confidence. So, decide now what to do and plan accordingly. You only better know your capabilities than others.

An income tax officer is someone who deals with income tax matters concerning the Central Board of Direct Taxes (CBDT). The CBDT is a department of the Central Government of India. Class I officers of CBDT comes from Indian Revenue Service (IRS). IRS is the administrative revenue service of the Central Civil Services of the Government of India. It is the largest Group A Central Service amongst the organised civil services in the Government of India. The service functions under the Department of Revenue in the Union Ministry of Finance and is concerned with the collection and administration of the various direct and indirect taxes accruing to the Union Government.
Class I posts in Indian Revenue Service (Direct taxes) I. e. income taxes is filled through Civil Services examinations conducted by UPSC. All type of graduates from recognised universities are eligible for appearing in Civil Services examination. The Staff Service Commission (SSC) conducts an entrance exam annually for the recruitment of candidates in the income tax department for staff required below Class I officers. The basic qualification required to apply for the SSC is a degree from a recognised University or its equal. The candidates must be at least 18 years and not more than 27 years at the time of applying (age relaxation is available for the candidates belonging to the backward classes).