The killer dad is identified as BABLOO.
http://zeenews.india.com/news/uttar-pradesh/two-year-old-boy-killed-after-father-throws-acid-on-him_893421.html
Two-year-old boy killed after father throws acid on him
Last Updated: Saturday, November 30, 2013, 15:43
Bhadoi: A two-year-old boy on Saturday died after his father allegedly threw acid on him and mother-in-law following a dispute in Sitamarhi area.
The accused, Babloo, threw acid on his two-year-old son, Nanhu and mother-in-law, Gena Devi (50) in Katra village late last night, police said.
The two were admitted to a hospital in Allahabad where the boy died this morning.
The accused is at large and efforts are on to nab, they said.