The BJP has said that NDA and its allies will work out a strategy to oppose Foreign Direct Investment in retail sector in the forthcoming Winter session of Parliament. Talking to reporters in New Delhi today, Senior BJP leader Ravi Shankar Prasad alleged that the government is not taking action to prevent corruption. He demanded that Prime Minister Dr Manmohan Singh should depose before the Joint Parliament Committee probing the allocation of 2G spectrum. He charged the government with not ordering probe into the land dealings of businessman Robert Vadra.