Bengaluru CCB issues notice to former Congress leader Krupa Alva to appear for questioning over the alleged sting operation targeting Siddaramaiah. Bengaluru: The Bengaluru Central Crime Branch (CCB) Police issued a notice to former Congress General Secretary, Krupa Alva, directing her to appear for questioning on Monday in connection with the alleged sting operation targeting former Chief Minister Siddaramaiah. She has been asked to bring her mobile phone and laptop for examination.