In which of the following inscription Rudradaman mentioned that he defeated Satakarni twice?
A. Nasik inscription
B. Girnar inscription
C. Junagarh inscription
D. Hatigumpha inscription

Hint: It is basically a Sanskrit prose which is inscribed on a rock by the Indian Satraps ruler Rudradaman I.
-He claimed that he defeated Vashishtiputra Satakarni twice in this inscription.
-He was a Saka ruler from the western kshatrapas dynasty.

Complete answer: Rudradaman I was the grandson of the king Castana and played an important role in the decline of the Satavahana Empire.
-He was given the title of Maha-kshtrapa after he became the king after which he strengthened his kingdom.
-He maintained matrimonial relation with the Satavahanas and conceded the country of Aparanta to Vashishtiputra Satakarni, his son in law and younger son of Gautamiputra Satakarni, as dowry.
-At least two wars took place between them wherein he defeated the Satavahanas but even then he spared the life of Satakarni especially because of the relationship.
-The Junagadh rock inscription of Rudradaman which was also known as the Girnar Rock inscription is basically prose inscribed on a rock located near Girnar hill near Junagadh, Gujarat.
In the inscription, he had mentioned about the defeat of Satakarni, lord of Dakshinapatha, on account of their connection.
OPTION A: This is not the right answer. Thus, Option A is an incorrect option.
OPTION B: As explained above, Option B is the correct option.
OPTION C: This is not the right answer. Thus Option C is an incorrect option.
OPTION D: This is also not the right answer. Thus Option D is an incorrect option.
 Hence, Option B. Girnar inscription is the correct answer.

Note: -This inscription puts forward the history of the Sudarshan lake when it records its restoration during the time of Mahakshatrapa Rudradaman.
-Rudradaman is described in the records as 'the restorer of the kings who had been deprived of their kingdoms'.
-Rudradaman 's prashasti states that through his might the objects of pity, wealth and pleasure are duly attained.