The deputation to Andhra Pradesh of V. V. Lakshminarayana to head the Central Bureau of Investigation unit here will end on June 14. He was earlier Deputy Inspector General and is now Joint Director in the rank of Inspector General. Mr. Lakshminarayana will complete the maximum of seven years of deputation allowed to Central officials on that day but it remained to be seen whether his term would be extended under extraordinary” circumstances in view of the sensitive cases handled by the investigating agency, sources said.