SUBJECT CATEGORY
 

Animals
- Amazing amphibians by AL Periyanayagi
- Birds Migratory birds by A Aashiqmeeran
- Birds World endangered sps by S Kumaran
- Cat family by K Karishma
- Endangered mammals by RU Ganesh
- Fiers animals on land by S Deepak Bharathwaj
- Fishes Ornamental fishes by S Revathi
- Fresh water fishes by D Chandrasekaran
- Habitats by C Aravind
- Insects Harmful pests by R Pramila
- Livestock breeding by S Vinoth
- Minor phyla by Z Badhusha
- Reptiles - World endangered by TM Venkata Krishnan
- Reptiles Snakes by C Karthigeyan
- The world beneath the waves by TR Rahul
- Water birds by Nivedhitha Venugopal

Environment
 - Hazards by Eightina Paul

Microbes
- Fungi by KC Pavithra
- Human pathogens by J Jenish
- Mushroom edible by V Nivethitha
- Mushroom poisonous by K Ramya
- Role in biofuels by U UdayKrishnan

Plants
- Seaweeds by S Lakshmikanthan
- A-Z Garden plants by R AnandaKrishnan
- Fruits and vegetables by PonHiniya D Sylviya
- Mangroove Forest by CH Bharat Babu
- Medicinal plants by A Shanmugavel
- Ornamental flowers by CM Yuvakishan
- Xerophytes Cacti & Succulants by AL Alagammai
- Paper making by SR Praveenkumar Chakravarthi