Bhopal, Feb. 18: Pressure is mounting on Madhya Pradesh governor Ram Naresh Yadav to step down in the wake of his son's alleged involvement in the professional examination and recruitment scam.

Yadav, a former chief minister of Uttar Pradesh, was in the Congress when the then UPA government appointed him governor of Madhya Pradesh in 2011. Today, he was stunned to see colleagues from his former party seeking his resignation on grounds of alleged corruption and misconduct.

In the Assembly today, Yadav was not allowed to complete the governor's customary address to the House at the start of the budget session. The Opposition Congress kept chanting "Yadav istefa do (submit resignation)", forcing the governor to limit his address to a few paragraphs from the beginning and the last paragraph of the 47-page text.

Speaker Sitasharan Sharma ruled that the speech be considered read as a motion of thanks was initiated amid protests from the Congress. Yadav went back to Raj Bhavan and refused to respond to queries from the media.

State BJP ministers Kailash Vijaywargiya and Gopal Bhargava described the Congress attitude as "shameful", claiming that the disrespect shown towards the governor was unprecedented.

But Congress MLAs Ramnivas Rawat and Satyadev Katare justified the protests. "The governor is a direct accused in the case and he should resign," Rawat said.

Katare, who is leader of the Opposition in the Assembly, said: "If I was in his place, I would have packed my bags and gone home."

A special task force (STF) has sent a notice to Yadav's son, Sailesh, asking him to make a personal appearance. Sailesh's name figures on page 14 of the supplementary chargesheet submitted in a local court this week. The chargesheet accuses Sailesh of taking money in lieu of appointments of 10 teachers in grade III examinations conducted by the state recruitment board.

Sailesh has declined to comment on the notice.

Madhya Pradesh High Court is monitoring the probe into the Professional Examination Board scam, alleged to have deprived thousands of deserving candidates of job opportunities. Yesterday, the Congress had sought a CBI inquiry into the alleged scam, demanding chief minister Shivraj Singh Chouhan's resignation. Senior Congress leaders like Digvijaya Singh, Kamal Nath, Jyotiraditya Scindia and Suresh Pachauri claim that over 10 lakh people have been affected by the scam.

Yadav has not commented on the STF notice to his son but informed sources in the Bhopal Raj Bhavan claimed that during his recent visit to Delhi, Union home minister Rajnath Singh had advised him to step down.

If Yadav does not resign, the sources said, the Union government might recommend his removal.