Gujarat Governor Acharya Devvrat on Friday evening visited the residence of Prime Minister Narendra Modi's younger brother here to offer condolences over the demise of Modi's mother Hiraben. Hiraben Modi passed away at 99 at an Ahmedabad hospital early Friday morning. She lived with Pankaj Modi, the PM's younger brohter, at the Vrindavan Bungalows-2 society in Raysan village on the outskirts of Gandhinagar.