Well you may get to know the ASRB/NET entrance exam Roll Number before a moth of the examination. Generally the examination held in the month of December so you should wait till then.

Eligibility for the exam:
The applicant should hold Master’s degree in the concern subjects with minimum 55% marks from any recognized university of India.

Here is the list of ASRB/NET entrance exam disciplines:
Soil Sciences
Veterinary Medicine
Fish Process Technology
Livestock Production Management
Plant Pathology
Veterinary Parasitology
Animal Biochemistry
Agricultural Structures and Environmental Management
Fish Nutrition
Animal Physiology
Fruit Science
Livestock Product Technology
Agricultural Meteorology
Veterinary Pharmacology
Poultry Science
Fish Health
Agronomy
Veterinary Surgery
Home Sciences
Genetics & Plant Breeding
Agricultural Extension
Agricultural Microbiology
Animal Reproduction & Gynaecology
Fisheries Resource Management
Land and Water Management Engineering
Agroforestry
Animal Biotechnology
Vegetable Science
Economic Botany & Plant Genetics Resources
Dairy Chemistry
Aquaculture
Dairy Technology
Agricultural Economics
Fish Genetics & Breeding
Agricultural Process Engineering
Agricultural Chemicals
Agricultural Business Management
Food Technology
Veterinary Microbiology
Nematology
Floriculture & Landscaping
Seed Science & Technology
Spices, Plantation & Medicinal & Aromatic Plants
Agricultural Biotechnology
Animal Genetics & Breeding
Dairy Microbiology
Veterinary Public Health
Animal Nutrition
Farm Machinery and Power
Environmental Sciences
Veterinary Pathology
Agricultural Entomology
Agricultural Statistics
Plant Biochemistry
Plant Physiology