They flew to Chandigarh from Delhi today in a special aircraft and reached here by road and checked in at a hotel in Chharabra, 15 km from here, from where the duo went to the site and remained there for about two hours.
The NSG had cordoned off the entire area in the vicinity of the villa which is close to the summer residence of the President, the Retreat, in a high security zone from where the media was barred.
Sonia and Priyanka will stay here till tomorrow and leave for Delhi on June 15.