The journey from Dharmapuri to Allahabad covers 1900 km. The most practical way is to reach Chennai and take a train to Allahabad. The journey takes about 30-35 hours by train. Allahabad is famous for the confluence of three rivers.
Total Distance: 1900 km by road, 1650 km air distance.
Book tickets well in advance.
October to March for pleasant weather.