The correct answer is option 2: 2 only.
This means that only statement 2 is correct, while statement 1 is incorrect.
Statement 1 claims that Geshe Ngawang Tashi (Lama Tashi) was nominated for the 48th Annual Grammy Awards for his album `In the Heart of the Moon`. However, this statement is incorrect. There is no record or evidence of Geshe Ngawang Tashi (Lama Tashi) being nominated for a Grammy Award for his album `In the Heart of the Moon`.
Statement 2, on the other hand, states that Aashish Khan and Zakir Hussain were nominated for the 49th Annual Grammy Awards for their album `Golden Strings of the Sarod` in the Traditional World Music category. This statement is correct. Aashish Khan and Zakir Hussain were indeed nominated for a Grammy Award for their album `Golden Strings of the Sarod` in the Traditional World Music category.
Therefore, the correct answer is option 2: 2 only.