"Kirti Azad suspended by BJP. His crime? Raised issue of corruption in DDCA with facts.
"Is this going to be the fate of all those in the BJP who raise issue of corruption? First Ram Jethmalani and now Kirti. Next Shatrughan Sinha?" Singh said on Twitter.
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The Congress' reaction came after BJP MP and former cricketer Kirti Azad is today suspended by party chief Amit Shah for publicly targeting Finance Minister Arun Jaitley with allegations of irregularities in Delhi's cricket body DDCA.
Congress spokesman Gaurav Gogoi also tweeted: "Where is zero tolerance against corruption? PM Modi protecting the accused - first Vyapam, then Lalit Modi, then PDS scam. Now DDCA scam #KirtiAzad".