EDITORIAL BOARD Editor Y. Sreedhar Murthy Osmania University, Hyderabad Associate Editors K. Mallick NGRI, Hyderabad Y. Suguna Thulasi GSI, Hyderabad Subject Editors Potential Fields I.V.Radhakrishna Murthy Andhra University, Visakhapatnam Seismic Methods V.K. Sibal DGH, New Delhi H.C. Tewari NGRI, Hyderabad Electrical & Electromagnetic Methods S. Murali Osmania University, Hyderabad T. Lal BHU, Varanasi Environmental Geosciences N. Venkat Rao Hyderabad Well Logging R. Thiagarajan Chennai K.K. Roy Jadavpur University, Kolkata Remote Sensing S.K. Bhan NRSA, Hyderabad Hydrocarbons D.N. Avasthi SPS Consultants, New Delhi Kharak Singh Essar Oil Ltd., Mumbai Mining Geophysics S.N.Anand Bangalore Seismology J.R. Kayal GSI,Kolkata

Journal of Geophysics AEG started publication of the JAEG in 1980. The JAEG is a quarterly Journal and is currently in its XXVI volume. The Journal attracts scientific papers from a large number of earth science institutions in India and abroad. Since inception of the Association more than 2500 papers were presented in the Annual seminars of the association. In addition, research papers were also received directly for publication in the journal. After rigorous reviewing process by experts in India and abroad, so far 545 papers have been published between July, 1980 and April 2005. Over 1000 copies of the Journal are circulated to AEG members and subscribers in India and abroad. AEG invites Papers from scientists as per the guidelines of Journal of Geophysics. Original scientific contributions are encouraged and invited. Review articles are discouraged. Authors are requested to send two hard copies and a floppy formatted for IBM compatibles/email of the text of the paper in any of the MS Word/Word perfect/Word Star versions. AEG welcomes organizations and earth science institutions to advertise their products and services in the JAEG. The advertisement tarrifs are available on request. 2006 July,2006 2005 January, 2005|April,2005|July, 2005| 2004 April - July, 2004|October, 2004 2003 January, 2003 2002 July-October, 2002|April, 2002|January, 2002 2001 April, July, October, 2001|January, 2001 2000 April, 2000|January, 2000 1999 October, 1999|July, 1999|April, 1999|January, 1999 1998 October, 1998|July, 1998|April, 1998|January, 1998 · The Editorial Board does not accept any responsibility for statements made by the authors published in the Journal · Subscription inclusive of postage : Annual Rs. 2000 (inland) or US$ 200 (foreign) · Single issue Rs. 500 (inland) or US$ 50 (foreign) (surface mail); (air mail surcharge - abroad US$ 25 Annual) Published by © Association of Exploration Geophysicists 12-13-157, Street No.2, Tarnaka Hyderabad - 500 017, India Ph: 040-27014762, 27000392 Email: aegind@yahoo.com Web site: www.aegindia.org

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