There is no close up available for the photo but it is definetely Perovskia family Lamiaceae highly aromatic. the difference between the two species found are:
1a. Leaves deeply incised or
calyx softly woolly. 1. P.
1b. Leaves crenate serrate, rarely
incised; calyx hispid.
2. P. atriplicifolia
Dr. Amit Chauhan
Junior Technical Assistant
Central Institute of Medicinal and Aromatic Plants, Research Centre, Pantnagar, PO Dairy Farm Nagla, Pantnagar, Udham Singh Nagar, Uttarakhand 263149