"Nothing Unscientific About It": 5 Lakh Likely To Take "Cow Science" Exam Cow Science Exam: For the one-hour online examination, the study material shared by the Rashtriya Kamdhenu Aayog says that cow dung is used as a protection against radiations in nuclear centres in India and Russia. Updated: February 21, 2021 1:07 pm IST More than 5 lakh people in the country will take an online exam on the "holy cow". (Representational) Kolkata: More than 5 lakh people in the country will take an online exam on the "holy cow" on Thursday. The University Grants Commission has written to Vice Chancellors of 900 universitites in the country to encourage the students to write the Central government's "indigenous cow science" examination.