Workers from various trade unions shout slogans as they try to block a road during a strike in Mumbai February 20, 2013. Many banks were closed and public transport disrupted on Wednesday because of a strike by trade unions protesting against high prices but the capital, New Delhi, and business centre, Mumbai, were mostly unaffected and financial markets were open. REUTERS/Danish Siddiqui (INDIA - Tags: BUSINESS POLITICS SOCIETY TPX IMAGES OF THE DAY EMPLOYMENT)