Chandigarh, June 23: Lt Gen P K Grover today took over the key appointment of the Chief of Staff at the headquarters Western Command at Chandimandir near here. A graduate of the Defence Services Staff College, General Grover was commissioned into the Corps of Engineers in December 1996 and takes over his new assignment on promotion, a defence release said. He has held several prestigious command, staff and instructional appointments in his long and illustrious career. Bureau Report