Solution:Statement (A) is correct that Hiuen Tsang and Alberuni have recorded legends that refer to grand monastry built by Kanishka at Peshawar.
Statement (B) is correct that Buddhist Philosophers Asvaghosha, Parsva and vasumitra enjoyed Kanishka's favour and Charak, Nagarjuna were also in court of Kanishka.
Statement (C) is correct that the reverse of Kanishka's coin represent oesho (shiva), sakaymo Boddo, Athsho etc.
Statement (D) is not correct because Kanishka and his successor have Greek and Bactrian legends on the reverse.
Statement (E) is not correct because Kalhana's Rajatarangini did not mentioned joint rule over Kashmir of three kings named Huska, Jushka and Kanishka. All these kings belong to Kushana dynasty and Hushka and Jushka are successor of Kanishka.
So, (A, B, C) is correct answer.