Hi Alok

Whether you should join a coaching institute or not it depends upon your requirement if you are interested in doing some preparation for some competitive exam as Allen is preferred for engineering and medical entrance examinations so if you are aspiring for some college in engineering and medical field then you can try for Allen because Allen in on time and it has been consistently known for producing the toppers therefore if you can afford then there is no harm in joining a coach in which is just a 15 km away because in metro cities 15 km is nothing compared to other long distances where people travel to go to the office wear for 15 km will not take you many hours to travel therefore if you are interest then you can join it will definitely help you in some way