"Dad is normal but mom and Dutta received minor injury," Sangma`s son and Leader of Opposition in Meghalaya Legislative Assembly Conrad K Sangma told Imphal Free Press today.
Dutta got hurt on his shoulder while Sangma`s wife Soradini K Sangma received minor injury in the portion of the face.
They left Dhaka yesterday for India (Meghalaya) by road via Sylhet-Dawki route and arrived in Shillong today evening.
Dutta who was taken in Ambulance from Dawki, admitted in Nazareth Hospital here for further medical examination.
According to Conrad, the accident occurred at around 6.30 pm (Indian Standard Time) somewhere near Sylhet.
"The car they were traveling could not stop when an escort car infront suddenly applied brake on seeing a speed breaker," he said.
Sangma was on a five-day visit to Dhaka. During his visit, the former Lok Sabha Speaker attended an international seminar on war crimes trial and met Bangladesh Prime Minister Sheikh Hasina and other officials.