________________ It is my pleasant duty to express my sincere gratefulness to the management of the L. D. Institute of Indology, and especially to the Director Dr. J. B. Shah, for approving the project and agreeing to publish the work in the L. D. Series. Nagin J. Shah 23, Valkeshvar Society, Ambawadi, Ahmedabad-380 015 1 August 2013
