The victim Nimita Kumari's father Bangali Yadav had a scuffle with his cousin, Dhananjay Yadav, over construction of a drain, police said.
A scuffle ensued following an altercation between the cousin brothers, officer-in-charge of the concerned police station Manoj Pandey said adding that Bangali then left for work.
Later, Dhananjay along with his brother-in-law Bali Yadav came back to Bangali's place and started beating his wife.
As the girl ran to the rescue of her mother, her enraged uncle allegedly strangled her causing her death, he said.