is an elemental form of sufur. In elemental form it can't be reduced or oxidized. Hence, it oxidation number is zero and thus sulfur is zerovalent here.
Andhra Pradesh's TDP - Telugu Desam Party, today i.e on 16th March 2018 quit the NDA government at the Centre a week after two of its ministers resigned from the Union cabinet over the issue of special status for Andhra Pradesh.
Secondary market refers to market where securities are traded after being initially offered to the public in the primary market and/or listed on the stock exchange.