Yadav, posted as probationary Sub-Divisional Police Officer (SDPO) at Nanded, around 550km from Mumbai, allegedly demanded Rs 3 lakh from a man to 'dilute' a case of theft.
The man lodged a complaint with the ACB, which laid a trap and caught Yadav's aide Sunny Singh Bugai (34) while accepting Rs 1 lakh on Monday. Bugai was placed under arrest.
The 2015-batch IPS officer and his aide had earlier accepted Rs 1 lakh, the ACB said.
Yadav and Bugai allegedly demanded money from the complainant for not arresting him and diluting the charges against him.
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Bugai accepted Rs 1 lakh as bribe at the behest of the IPS officer, the ACB said.
"We have summoned the IPS officer but he hasn't returned to Nanded from Hyderabad yet," said Shrikant Dhivare, Superintendent of Police (ACB), Amaravati.
"Today morning our teams went to his government residence (in Nanded) and sealed it," Dhivare told PTI.
A local court has remanded Bugai in police custody for one day, he added.