A group of 110 Indian students, who were stranded in Iran and evacuated yesterday, have finally landed in Delhi. A majority of them - 90 - are from Jammu and Kashmir. The students - all from Urmia Medical University and the first students' group to be evacuated --were transited via Armenia and Doha and boarded the flight to Delhi late last evening. NDTV World's Vishal Vivek sheds light on the potential evacuation routes for Indian students.