IMPHAL: Protesters locked up two central government offices in Imphal Tuesday amid an escalating standoff over forced concealment of the word “Manipur” on a government bus headed to a hill festival last week. The restive state has been under President’s rule since February.Activists of COCOMI, an umbrella body of Meitei groups, stormed the chief electoral officer’s office at Lamphelpat and asked the staff to leave before locking the main gate. They then shut down an office of the Geological Survey of India, located a few kilometres away, raising slogans like “apologise or leave Manipur” against governor AK Bhalla. The activists outnumbered security personnel.The protests began…