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30+ IIM calls, 15+ XLRI calls, 30+ IIFT, MDI, NMIMS, SIBM calls

10+ International Admits to top institutes in USA & Europe

personalized flexible mentorship

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    Our small batches ensure personalized attention is given to each & every student​

    Our Mentors from IIT & IIM have decades of exp. with 99.97 CAT'18 & 740 GMAT

    We ensure a marked improvement in performance of our students over time

    We provide unlimited doubt-clearing and 24*7 support over Whats-app

    Student Testimonials

    Shubhra Jyoti Hazra

    Converts – Cornell, ESADE, USC Marshall (GMAT 720)

    Did a crash course in GMAT, for around a month. The faculty members explained lots of shortcut techniques which helped me improve my score by more than 30 points in the GMAT

    Aditya Pugalia

    SAT 1480

    Was a classroom student for SAT. The faculty members – Sujoy sir and Sanjay sir explained all the necessary concepts and shortcuts. There were lots of mock tests which help me in the main test

    Jai Choraria

    SAT 1440

    Was a classroom student for SAT. The faculty members – Sujoy sir and Sudeshna ma’am helped a lot in pushing my score up. They explained all the necessary concepts and shortcuts and did lots of practice questions

    Rakhi Raizada

    Converts – ISB Mohali

    The faculty members helped me in getting the required GMAT score. They, specially Indrojit sir, also guided me regarding the application process and the interview rounds at ISB

    Samrat Bose

    ESMT Berlin – GMAT 720

    The best person to contact for GMAT success – Sir was responsible for guiding me through study materials and mock tests to increase my score from initial mock scores of 600 to a GMAT score of 720

    Subharghya Mitra

    GMAT 730

    The VA classes by Sanjay Vasa sir helped me to improve my VA score. Also, the materials and support provided were excellent

    Rohan Chowdhary

    IIM Calcutta

    The mock Interviews by Indrojit sir, Sudeshna ma’am, Sanjay sir and the external panelists from IIMs and XLRI gave an exact idea of what to expect!

    Abhilash Basu

    IIM Lucknow, TISS Mumbai, SIBM Pune

    The classes were very helpful – the concepts were explained in a very lucid manner. The faculty members were very helpful

    Poulami Chakraborty

    Ohio State University – Full Scholarship

    I was helped a lot in English with Vocab and RC. A lot of tests were taken, many short-cut methods in Math were discussed

    Sidharth Sethi

    ISB Hyderabad

    The mentors are wonderful. Classes are very rigorous and all concepts of GMAT are explained in detail. It was a great help!

    Fahad Taslim

    IIM Ahmedabad, IIM Calcutta, IIM Lucknow, IIM Indore, IIM Kozhikode, IIFT

    Awesome experience! The mind-blowing tricks and detailed concept discussions separates CUBIX from other institutes

    Nilay Bhattacharyya

    IIM Kozhikode, IIM Shillong, XLRI BM, XLRI HR, SIBM, SCMHRD, MDI

    The mentors are excellent. They helped me with all the necessary concepts. For a person who was afraid of math, I started loving it

    Victor Bose


    One of the best teachers anyone can have. Always made sure that we understood a concept behind a sum completely. The questions sir can conjure on the spot is beyond compare

    Amrit Sharma

    Simon Business School (GRE Q170)

    The GRE course is tailored according to student needs. The top-notch faculty (they addressed my doubts even at 2 AM) & extensive problem bank made the GRE a cakewalk

    Anmol Agarwal

    IIM Shillong

    Sir has an excellent knowledge of the CAT course and is very thorough with the preparation. He guided me throughout the whole process including the college selections. Thank you Sir!

    Shrayoshe Biswas

    IIM Ahmedabad, NITIE, IIM Lucknow, FMS

    The GD-PI-WAT training was excellent – learnt a lot of dos and don’ts

    Debdipta Ray

    IIM Lucknow, S.P. Jain

    It was an amazing experience with all the faculty members. They are very helpful and friendly. Loved all the classes.

    Srikunj Gutgutia


    The mentors helped me create a base and reach my potential in a very short time. I got to learn a lot of tricks and was able to practice a good number of questions to boost my confidence

    Rishabh Agarwal

    NMIMS, Great Lakes

    The mentors have outstanding knowledge about the course which they kept sharing with us in the classes which helped me in preparing for the exams

    Sankha Mukherjee


    The classes have been very useful to me with several sessions and doubt clearing classes. The classes provided overall guidance and individual care for cracking the MBA exams

    Mohammad Sharique

    Paderborn University, Germany

    The Mathematics and English classes helped me reach my required score level. There are lots of practice materials and the concepts are taught well

    Kaustav Gupta


    The mentors helped me get rid of my phobia of quantitative aptitude. They helped me boost my confidence

    Satyaki Dutta

    IIM Kozhikode, MDI, IIFT

    The GD-PI course helped me a lot. Many sessions were conducted on current affairs and there were many mock PIs, case studies and WAT sessions which helped

    Jaidip Palit

    IIM Lucknow, MDI, SIBM

    The GD-PI course here was a great learning experience. There were industry stalwarts and ex-IIM students who took our mock PIs and took sessions on various topics

    Shantanu Chakraborty


    The mentors are very skilled in their respective subjects – the best teachers I have come across. They were very supportive and have customized learning processes for each student

    Rohit Mukherjee

    XIMB – Xavier Institute of Management Bhubaneshwar

    If you are looking for mentors to guide you in CAT, CUBIX is the best place to be in.

    Kunal Roy


    Small batch size ensures that each student gets the required attention. Apart from being great mentors, they are also readily available for doubt clearing. This access made things easier for me

    Soumyadip Halder

    SIBM Pune – Innovation and Entrepreneurship

    The classes at CUBIX were very helpful and their methodical approach helped me. Also they always helped us whenever we had doubts

    Anabil Dey


    Indrojit sir and Sudeshna Ma’am helped us to give our best in the GD-PI – their suggestions were extremely helpful

    Debopam Ghosh

    IIM Kozhikode, XLRI-BM

    The GD-PI training helped a lot – we got a lot of mock PIs and mock GDs and the mentors helped us a lot

    Gopal Mundhra

    SP Jain, MDI Gurgaon, IIM Kozhikode

    Sujoy sir had the perfect tricks and techniques that helped me boost up my speed and maintain accuracy.

    Gaurav Saha

    IIM Kozhikode, IIM Calcutta

    The GD-PI training was great and lot of effort was made to help us with the topics of current affairs

    Sohni Chakrabarti

    GRE – University of St. Andrews PhD program

    He is a very patient teacher and identifies your weaknesses very well

    Anomitra Banerjee, Dubai

    GMAT – Q51/51

    Excellent clarity with fundamentals in GMAT, helping me get a full score of 51

    Shailabhya Keshri

    GMAT – Oklahoma City University MBA program

    Very friendly and approachable and his knowledge about his subject is immense

    Indushree Banerjee

    GRE – TU Delft Netherlands PhD program

    He is very friendly and helps in every way. I got 162/170 in QA under his mentoring

    Debmalya Dutta

    CAT – IIM Ranchi

    He has mastered the art beyond excellence, and will always share his experience with you

    Koushik Majumder

    CAT – IMT Ghaziabad

    Great concept building, awesome guidance and new techniques to solve questions faster

    Anhad Sadana

    GRE – Auburn University

    One of the most dedicated and patient tutors, puts in lots of effort and keeps motivating

    Amit Saikia

    CAT|NMAT – NMIMS Mumbai (& MDI Gurgaon)

    He is conceptually very sound and puts in a lot of effort, he knows a lot of shortcuts

    Students mentored
    Hours of mentoring
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