Which special knowledge or practical experience is NOT a condition for being nominated to Rajya Sabha by the President of India?

Correct option is C

Eloquence is NOT a condition for being nominated to Rajya Sabha by the President of India
 12 out of the 250 members of the Rajya Sabha are nominated by the President.
 They are nominated for six-year term for their contributions towards arts, literature, sciences, and social services.
About Rajya Sabha:
 The Rajya Sabha should consist of not more than 250 members.
 238 members representing the States and Union Territories.
 12 members nominated by the President.
 Rajya Sabha is a permanent body and is not subject to dissolution.