A division bench, headed by Justice S C Dharmadhikari, after perusing the probe reports submitted by CBI probing the Dabholkar case, and the state CID which is investigating the Pansare case, said the investigations were not satisfactory.
The bench directed both the agencies to continue their probe and sought progress reports on June 23.
"We hope that at least now the agencies will show real and concrete progress in the probe," the high court said.
"We expect the agencies to show promptness while investigating such cases. Both are premier agencies and should demonstrate vigilance. If you (CBI and CID) are facing any difficulties or any direct or indirect obstacles, then be candid and say so," the court said.
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Public prosecutor Sandeep Shinde, appearing for CID, told the HC that it has already filed chargesheet against the lone arrested accused Sameer Gaikwad in the Pansare case.
Dabholkar was killed in August 2013.
Pansare was shot at on February 16 last year. He succumbed to his wounds four days later on February 20.
CBI and CID have been submitting periodical progress reports to HC.