PPC Section 186:  Obstructing public servant in discharge of public functions:
 

(1)] Whoever voluntarily obstructs any public servant in the discharge of his public functions, shall be punished with imprisonment of either description for a term which may extend to  [one year], or with fine which may extend to  [fifty thousand] rupees, or with both.

[(2) Whoever intentionally hampers, misleads, jeopardizes or defeats an investigation, inquiry or prosecution or issues a false or defective report in a case under any law for the time being in force shall be punished with imprisonment for a term which may extend to three years or with fine or with both.