The correct option is C
Passage of bill in a joint sitting of the Houses.
Explanation:
Only in the case of statement C, Rajya Sabha shares unequal power with that of Lok Sabha. Since the maximum strength of the Lok Sabha is 552, whereas 250 for Rajya Sabha. So, invariably the will of the Lok Sabha will prevail over the will of Rajya Sabha thus unequal status.
In all the remaining cases of A, B and D - Both the Lok Sabha and Rajya Sabha are equal in power.