Watch: Manmohan Singh's stoic silence on PM Modi's 'raincoat' reference
Congress leaders demanded an apology from PM Modi at the Lok Sabha on Thursday
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Former PM Manmohan Singh speaks in the Rajya Sabha in New Delhi (Photo: PTI)
Former Prime Minister edged past reporters in stoic silence on Wednesday as he walked out of the Rajya Sabha after Narendra Modi's masked reference about his role and involvement in the alleged scams of the UPA regime.