Which one of the following vitamins is most susceptible to deterioration by exposure to air?

Regarding Gram Sabha, which of the following statements is/are correct?

1. Gram Sabha is a body consisting of all the adults residing in a village.
2. A Gram Sabha may exercise such powers and perform such functions at the village level as the legislature at the State level.
3. The sessions of Gram Sabha are chaired by a representative of District/Block Administration.

Select the correct answer using the codes given below:

Banking in India is controlled by :

Excise Duty is a tax levied on :

 Zero Hour in the Parliament proceeding in Indias is:

In the Constitution of India, "to renounce practices derogatory to the dignity of women" is :