Monu and Dabbu, who came with their family from Bulandshahr on the occasion of Buddha Purnima festival went into the river in Narora area for a bath yesterday.
Both drowned and their bodies were fished out later in the night, police said.
They were natives of Jhakota village of Bulandshahr.
In a similar incident, a 15-year-old boy drowned in the Ganga river in Brij Ghat of Ghaziabad yesterday, police said.
