For the control of air pollution in Delhi, all buses of Delhi were converted to run on $A$ by the end of $B$ as per the directives of the $C$. Complete the given statement by choosing appropriate options for $A-C$.

• A
  $A-$ compressed natural gas, $B- 2000, C-$ High Court
• B
  $A-$ Shale gas, $B- 2001, C-$ Central Government
• C
  $A-$ compressed natural gas, $B- 2002, C-$ Supreme Court
• D
  $A-$ Liquid petroleum gas, $B- 2003, C-$ Delhi Government