Who among the following was not sent to Lanka for the propagation of Buddhism?

Q. Who among the following was not sent to Lanka for the propagation of Buddhism?
(a) Rashtriya
(b) Bhadrasaro
(c) Uttriya
(d) Sona
Ans: (d) Sona

Q. Who among the following was not sent to Lanka for the propagation of Buddhism?
(a) Rashtriya
(b) Bhadrasaro
(c) Uttriya
(d) Sona
Ans: (d) Sona