IGRMS  organised a lecture of S B Ota on ‘Inquiries Into Deep Human History: Investigations of Acheulian Sites around Tikoda and Damdongri District Raisen, Madhya Pradesh’ as IGRMS 16th annual  lecture, via Google Meet and Facebook live. The lecture was chaired by Director IGRMS Praveen Kumar Mishra.

At the beginning of the program, Praveen Kumar Mishra, Director of the IGRMS, presented SB Ota was honored by presenting the Shriphal and Sal. Giving the introduction of Ota, Surya Kumar Pandey said that he was Tagore National Fellow, Ministry of Culture, Government of India and former Joint Director General, Archaeological Survey of India, He was the first director of the National Mission on Monuments and Antiquities launched by the Ministry of Culture, Government of India under the aegis of the Archaeological Survey of India. Dr. Ota was honored with "Young Scientist Award '' from Indian Science Congress Association in 1987.

SB Ota while addressing the 16th IGRMS Annual Lecture online, said that in last two decades there is headway in prehistoric research particularly to understand the earliest Stone Age cultural remains i.e. Acheulian cultural remains of the Indian subcontinent. It is now well established that our earliest stone age cultural remains go back to 1.5 million years.

One such pocket is in Central India which is being investigated in district Raisen for last couple of years. This comprehensive study to understand the early human behaviour is being collaboration with Deccan College, Pune. Systematic explorations and excavations of Acheulian sites in village jurisdiction of Tikoda and Damdongri in district Raisen have helped us understanding the various aspects of human behaviour of early Hominin in this part of the sub-continent.