Select the false statement from the following statements regarding Pratihar ruler Vatsaraja -
1
Vatsaraja's successor was Nagabhatta II.
2
During the reign of Vatsaraja, in 778 AD, Udyotan Suri composed Kuvalayamala in Jalore.
3
The Pratiharas of Mandore ruled as feudatories of Vatsaraja.
4
The court poet of Vatsaraja was Rajashekhara, who composed Karpoormanjari.