Kumbh Mela v t e Haridwar Prayagraj Nashik Ujjain Kumbh Mela is an important Hindu pilgrimage, celebrated approximately every 4 or 12 years, correlated with the partial or full revolution of Jupiter. From Wikipedia
The upgrades will widen highways, build a Ring Road, six-lane the Nashik-Trimbakeshwar corridor to ease congestion during the 2027 gathering.