• 2020 IAA Engineering Sciences Award, This is the highest section distinction of the International Academy of Astronautics 
  • Fellow, Kerala Academy of Sciences, December 2013
  • ISRO-ASI award for Space Science Applications constituted by the Astronautical Society of India for year 2008 (awarded in 2012)
  • International Award for Best Research Paper Presentation by a woman scientist (February 2004). International Symposium on Natural Hazards INTROMET-2004, Hyderabad.
  • Adjudged the best paper in terms of content and presentation, Hindi Seminar held at Vikram Sarabhai Space Centre, Thiruvananthapuram, November 26, 2002.
  • Adjudged the Best paper in the Session on Space Sciencein the seminar, Inter Centre Technical Hindi Seminar held at ISRO Satellite Centre, Bangalore, September 13, 2001.
  • BOYSCAST Award by Department of Science and Technology, India, Better Opportunities for Young Scientists in Chosen Areas of Science & Technology –(BOYSCAST) Award for pursuing post-doctoral research abroad (availed at NC State University, Department of Marine, Earth & Atmospheric Sciences, USA), 1995
  • Best Scientific Paper Awards at the National Space Science Symposia, India Co-authored the best scientific papers in tropospheric studies area, four times in succession - 1987, 1990, 1992, 1994.
  • Rotary GSE (Group Study Exchange) Award of the Rotary Foundation for Professional Excellence (Underwent Vocational training in North Carolina, USA) March to April, 1992.
  • Best Outgoing Student,  H. H. The Maharaja’s College for Women, Trivandrum, Kerala – 1980.
  • Chairperson/Speaker,  College Union, H.H. The Maharaja’s College for Women, 1979.
  • University Merit scholarship for distinction in the Pre degree, BSc degree course and MSc Courses, in 1976, 1979 and 1981 respectively
  • Online Journal of Space Communication featuring Dr. Radhika Ramachandran