Former Indian Space Research Organisation (ISRO) chief Madhavan Nair joined the Bharatiya Janata Party (BJP) in the presence of party president Amit Shah in Trivandrum on Saturday.
Former Travancore Devaswom Board (TDB) president and Congress leader G Raman Nair was also inducted into the BJP.
The other prominent personalities from Kerala to have joined the party are former women's commission member Dr Prameela Devi, Janata Dal (Secular) Trivandrum district vice-president Karakulam Divakaran Nair and Malankara Church functionary C Thomas John.
The new inductions were made during Shah's day-long visit to Kerala.