5. No person shall slaughter or cause or permit to be slaughtered or offer for slaughter in a slaughter-house- ¹[(a) a she-goat or ewe below the age of two years or any other female animal below the age of three years; (b) a he-goat, ram or lamb of or below the age of one year or any other male animal of or below the age of seven years, if such animal is used or is capable of being used for draught or breeding purposes; (c) a she-goat or ewe of or below the age of five years or any other female animal of or below the age of ten years, if such animal is not unsuitable for bearing offspring and is capable of producing milk; or] (d) any female animal which is pregnant or is in milk: Provided that nothing in this section shall apply to any animal which on account of any bodily injury, illness or other infirmity is certified in writing by an officer of the ²[Directorate of Livestock Services not below the rank of Thana Livestock Officer],- (i) in the case of an animal falling under clause (a), to be unlikely to live or to be fit for any of the purposes enumerated in clauses (b) or (c) as the case may be; (ii) in the case of an animal falling under clauses (b) or (c), to be unfit for the purposes respectively enumerated therein; and(iii) in the case of an animal falling under clause (d), to be unfit to be allowed to remain pregnant or produce milk: Provided further that if any such certificate is proved to have been procured through fraud or collusion it will be treated as invalid and the officer giving such certificate shall be severely dealt with.