Franchise enqury for jk shah vsat classes

I AM PLANNING FOR A FRANCHISE OF J K SHAH  VSAT CLASSES IN LUCKNOW.  I WOULD LIKE TO KNOW MORE ABOUT THE BRAND REPUTATION IN PROVIDING QUALITY EDUCATION . WHAT ARE THE GROWTH AND PROSPECTS OF BUSINESS SINCE I AM NEW TO THIS LINE.  WHAT MONTHLY  REVENUE CAN I EXPECT IN THIS BUSINESS. 

  WILL  ROI BE AT PAR WITH OTHER ESTABLISHED PLAYERS LIKE ETEN CA, VINODGUPTA CLASSES ,ETC.