He has served in Veterinary and Medical Colleges in India and abroad. As a researcher, he has published over 575 papers and authored 8 books. His work elucidated the etiologic role of many fungi in various animal diseases and established the prevalence of these fungi worldwide.[2]
He served as the Deputy Editor of the International Journal of Medical and Veterinary Mycology in Germany. He holds positions as honorary editor in chief, editor, associate editor, and member of the editorial board for several peer-reviewed online scientific journals. He has advised numerous online scientific publications and assisted them with research, publication, or education.[2]
He is credited for developing the Sunflower seed agar (Pal's medium), APRM medium, PHOL stain, and Narayan stain, specifically designed for the study of fungi.[3]
He received the title of Fellow from both the National Academy of Veterinary Sciences and the Korean Society of Veterinary Clinical Medicine in Seoul, South Korea. The Indian Association of Veterinary Public Health Specialists (IAVPHS) has established an annual award named the "Prof. Mahendra Pal Zoonosis Award" in his honor.[2]
Lifetime Achievement Award by the Indian Association of Veterinary Public Health[2]
In 2023, Mahendra Pal received the national "Outstanding Veterinarian Award" from Union Minister Parshottam Rupala during the World Veterinary Day ceremony on April 29, 2023, held at Vigyan Bhawan, New Delhi.[4]