Hi Govind,
Admission to B.Sc laboratory can be done through merit-based or through an eligibility exam. There are few top universities offering a degree in B.Sc MLT. Universities like Manipal and Amity consider 12th score (50%Physics, Chemistry, and Biology in the qualifying examination) whereas few govt. colleges conduct admission test. For more info:
https://www.careers360.com/news/6312-Career-Review_Lab-Technician
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