Sharma died a few hours before he was to be airlifted to Chennai for advanced treatment. Sharma had said if he spoke the truth (about the scam), his life would be in danger.
This is the second time within a month that ex-state minister Laxmikant Sharma has welcomed and met Chouhan.
The Central Bureau of Investigation (CBI) on Sunday arrested Indore's Arun Arora in connection with the Vyapam scam.
The opposition party expressed unhappiness over the way the CBI is probing the admission and recruitment scam and alleged "big fish are being let off".
The Congress today alleged that the CBI was acting as a "puppet" in the hands of the Centre in the Vyapam scam and was "helping" Madhya Pradesh Chief Minister Shivraj Singh Chouhan.
CBI on Thursday filed a charge sheet against 592 accused, including the chairmen of four private medical colleges, in the MP Pre Medical Test 2012 examination scam case
Vyapam scam whistle-blower Dr Anand Rai questioned the clean chit given to the chief minister Shivraj Singh Chouhan.
The CBI filed a charge sheet against 490 persons in the multi-crore Vyapam examination scam that broke out in Madhya Pradesh.
The scam involves massive irregularities and corruption in the examinations conducted by the Madhya Pradesh Professional Examination Board.
A middleman accused in at least six cases of the multi-crore Vyapam scam in Madhya Pradesh has been arrested by the Central Bureau of Investigation (CBI).