I was curious about a source on this because OP has it tagged asΒ βindia,β while the two comments above affirm it as Nepal.
Interestingly, reverse image search brought up this photo, which appears to be a capture of the exact same moment, just from a different angle:Β
Nepalese farmers throw mud at each other in a paddy field in Tau-Daha village on the outskirts of Kathmandu on June 29, 2010. The farmers are celebrating National Paddy Day on βAsar 15β of the Nepali calendar as the annual rice planting season begins. AFP PHOTO/Prakash MATHEMA
Two more photos of continued vibe checking, also from Prakash Mathema [1] [2]