AGARTALA, June 12 (TIWN): Entrance examinations are considered most important contests for science students which decide their careers. Dipayan Karmakar, who topped in Tripura Joint Entrance Exams said, “I never studied more than 4 to 5 hours”. Dipayan also marked 5th position in PCB. He said, “My mother was behind my success mainly and then my father”. However, the PCM topper does not want to become an Engineer, rather he wants to be a Doctor. On the other hand, Rajdeepa Sutradhar who is Sri Krishna Mission school student secured first position in PCB and also wants to become a Doctor. Rajdeepa wants to go outside Tripura for studies. She advised her juniors to follow the question papers of previous years and to analyze each of those topics.