law: Maternity Benefit Act,1961 
  4. Employment of, or work by women prohibited during
  
  certain periods 
  (1) No employer shall knowingly employ a woman in any
  
  establishment during the six weeks immediately following the day of her
  
  delivery, 11[miscarriage or medical termination of pregnancy].
  (2) No woman shall work in any establishment during the six
  
  weeks immediately following the day of her delivery 11[miscarriage
  
  or medical termination of pregnancy].
  (3) Without prejudice to the provisions of section 6, no
  
  pregnant woman shall, on a request being made by her in this behalf, be
  
  required by her employer to do during the period specified in sub-section (4)
  
  any work which is of an arduous nature or which involves long hours of
  
  standing, or which in any way is likely to interfere with her pregnancy or the
  
  normal development of the fetus, or is likely to cause her miscarriage or
  
  otherwise to adversely affect her health.
  (4) The period referred to in sub-section (3) shall be- 
  (a) the period of one month immediately
  
  preceding the period of six weeks, before the date of her expected delivery;
  (b) any period during the said period of six
  
  weeks for which the pregnant woman does not avail of leave of absence under
  
  section 6.