2009 CHADHA, Rajender Kumar (b. 1955) Ph.D., Chief Scientist, Seismology Group, National Geophysical Research Institute, Uppal Road, Hyderabad – 500007; Res. 4-200/35B Eashwaripuri Colony, Sainikpuri, Secunderabad – 500094; Tel: (040) 27012830(O), 20089888(R), 09849378244(M); Fax: 23434651; Email: ; ; Sp. Seismology.