Journal of Neuroanaesthesiology and Critical Care [Thieme Medical and Scientific Publishers Private Ltd. 15th Annual Conference of the Indian Society of Neuroanaesthesiology and Critical Care - Jaipur, India (2014.01.31-2014.02.02)] 15th Annual Conference of the Indian Society of Neuroanaesthesiology and Critical Care - 5. Randomized controlled single blinded prospective study to evaluate the effect of bispectral index (BIS) guided sevoflurane on emergence in neurosurgical patients undergoing craniotomy over the conventional method