Indian Penal Code, 1860
74. Limit of
solitary confinement
In executing a
sentence of solitary confinement, such confinement shall in no case exceed
fourteen days at a time, with intervals between the periods of solitary
confinement of not less duration than such periods; and when the imprisonment
awarded shall exceed three months, the solitary confinement shall not exceed
seven days in any one month of the whole imprisonment awarded, with intervals
between the periods of solitary confinement of not less duration than such periods.