D.K. Shivakumar of the Congress party assumed office today as the new Chief Minister of Karnataka. Following this, new responsibilities were assigned to his team of IAS officers. Accordingly, Rajendra Cholan-an IAS officer hailing from Madurai-has been appointed as the Secretary to the Chief Minister of Karnataka. Who is Rajendra Cholan? And how did he earn the trust of D.K. Shivakumar? Let us exp