The victim's mother yesterday told police that her daughter complained of stomach ache last Saturday. On further questioning it was revealed that she had been raped by her 60-year-old grandfather Kharak Singh in presence of her cousin, they said.
Later, upon discussion between the complainant and her sister-in-law it was found the 11-year-old girl too was sexually assaulted by Singh, police said.
On the basis of the complaint, a case under Section 376 (rape) of IPC and Section 6 of the POCSO Act was registered at Saran police station, investigating officer Asha said.