Casual Leave can not be sanctioned for more than 7 consecutive days at a time including Sundays, holidays and weekly off days except for very special circumstances to be recorded in writing.
Leave Rules in West Bengal
Casual Leave, Earned Leave, Maternity Leave, Paternity Leave, Half Pay Leave, Commuted Leave, Leave not Due, Extraordinary Leave, Special Disability Leave, Study Leave, Child Care Leave, Child Adoption Leave etc. Leave Rules
Leave Rules for Govt. Employee – Leaves can not be claimed as a matter of right. Except Casual Leave and Half day Casual Leave, other leaves may be combined.