hii

Scarcely any things which can help: 

Get a decent charge on center subjects like natural chemistry (compound energy, bio-vigorous), cell science, hereditary qualities. 

Practice likelihood related inquiries. Try not to try and consider abandoning them. A decent number of inquiries is being asked and this will likewise give you an additional edge, 

Nature and Evolution is another region you can weight on. On the off chance that you have done immunology, formative science in your graduation course work do reconsider them. 

Practice from past inquiries papers of this exam. In addition you should likewise do most recent 5 years GATE Life Sciences paper. This won't just help you in life sciences part yet additionally those likelihood related inquiries. 

Do most extreme inquiries in the exam in both the areas. [Remember: There are not very many seats particularly on the off chance that you need to get conceded in any of well known colleges which has great foundation, research and instructing facilities]

books

Biochemistry - Lehninger

Molecular Biology - Friefelder

Microbiology - Prescott

Cell biology - Alberts

Immunology - Kuby

hope this helps