Ansari asked the government to submit a report before the next sitting of the House.
"Some members met me this morning and informed that TN Seema, MP, was manhandled yesterday by the Delhi police personnel in a police van. It is a serious matter which relates to the dignity of the member and the prestige of the House.
"I direct the government to inquire into the matter and submit a report before the next sitting of the House," Ansari said.
CPI MP D Raja told reporters that the issue was taken up seriously by members of all parties during their meeting with Ansari and even Union minister Rajiv Shukla described it as a serious matter.