"Revenge was the main motive in these cases," Jasminder Singh, ADGP said in Chandigarh on Wednesday.
"But this doesn't mean that we are going to take rape complaints lightly," he added.
In Haryana's Kaithal, the SP office received a complaint on Monday by eight girls accusing the management of the private college of 'sexual harassment'.
Upon probe, the complaint was found to be false.