1. Sunil Jose K.
    Title: A faunistic survey of spiders (Araneae: Arachnida) in Kerala
    Research Guide: Dr. P.A. Sebastian
    Registered on: 2003 , Ph.D. Awarded on: 2007
    University: Mahatma Gandhi University
  2. Mathew M. J
    Title: Systematics and Bionomics of spiders in agricultural and forest ecosystems of central Kerala, India
    Research Guide: Dr. S. Murugesan
    Co-Investigator: Dr. P.A. Sebastian
    Registered on: 2004 , Ph.D. Awarded on: 2008
    University: FRI University
  3. Sudhikumar A.V.
    Title: Studies on the taxonomy and bionomics of some predacious spiders on insect pests of Kuttanad rice agroecosystem, Kerala, India
    Research Guide: Dr. P.A. Sebastian
    Registered on: 2004 , Ph.D. Awarded on: 2008
    University: Mahatma Gandhi University
  4. Samson Davis Padayatty
    Title: Systematic study on Salticidae (Arachnida: Araneae) from Kerala, India – with notes on habit and habitat of common forms
    Research Guide: Dr. P.A. Sebastian
    Registered on: 2007 , Ph.D. Awarded on: 2012
    University: Mahatma Gandhi University
  5. Lakshmi Devi Menon P.
    Title: Investigation on the taxonomy of Chalcidoidea (Hymenoptera) associated with Rice ecosystem in Thrissur and Palakkad Districts of Kerala State.
    Research Guide: Dr. P.A. Sebastian
    Registered on: 2008 , Ph.D. Awarded on: 2013
    University: Mahatma Gandhi University
  6. Elizabeth V. Mathew
    Title: Taxonomy and bioecology of ground dwelling spiders (Arachnida: Araneae) in the Kerala region of Western Ghats.
    Research Guide: Dr. P.A. Sebastian
    Registered on: 2013 , Ph.D. Awarded on: 2019
    University: Mahatma Gandhi University
  7. Pradeep M. S
    Title: An Investigation on Taxonomy and Ecology of Spider Fauna of Pathiramanal Island in the Vembanadl, Ramsar site, Kerala, India – A conservational Approach.
    Research Guide: Dr. P.A. Sebastian
    Registered on: 2013 , Ph.D. Awarded on: 2019
    University: Mahatma Gandhi University
  8. Sunish E.
    Title: Systematics of spider in central Malabar, Kerala, India with special emphasis on mygalomorphs (Araneae: Orthognatha)
    Research Guide: Dr. P.A. Sebastian
    Registered on: 2007 , Ph.D. Awarded on: 2019
    University: Mahatma Gandhi University