Mumbai - Market regulator Sebi reported a rise of 84.21% in the number of cases it took up for investigation during 2016-17.
According to the regulator's annual report 2016-17, 245 new cases were taken up for investigation and 155 cases were completed compared to 133 new cases taken up and 123 cases completed in 2015-16.
"There was a comparative increase in the number of cases taken up during 2016-17 mainly due to the references received from the Department of Income Tax in the matter of long term capital gain, short term capital loss in various scrips," the report said.
"During 2016-17, 76% (185 out of 245) of the cases taken up for investigation pertained to market manipulation and price rigging compared to 63% (84 out of 133) cases in 2015-16."
"While insider trading and takeover violation cases accounted for 14% (34 cases) and 1% (3 cases) respectively, 'Issue' related manipulation and other violations of securities laws accounted for 3% (8 cases) and 6% (15 cases) respectively."
The market regulator initiates investigations based on references received from sources such as its Integrated Surveillance Department, other operational departments within Sebi and external government agencies.
"After an investigation is completed, penal action is initiated as approved by the competent authority wherever violations of laws and obligations relating to the securities market are observed," the report said.
"The action taken includes issuing warning letters, initiating enquiry proceedings for registered intermediaries, initiating adjudication proceedings for levy of monetary penalties, passing directions under Section 11 of the SEBI Act, 1992 and initiating prosecution and referring the matter to other regulatory agencies."