Leave provisions depend upon the establishment-specific Labor Law applicable to the organization. Unless the type of the establishment is known, it will not be possible to give a correct answer. If yours is a factory, no provision for C.L and S.L; if it is an establishment under the State Shop & Estt Act, then it is compulsory that the employer has to provide for C.L, S.L and P.L in his Leave Policy at not less than the scales prescribed under the applicable Law.
If your establishment is in Maharashtra, under Maharashtra Shops Act/Rules, in addition to privilege leave, you have to give 8 days of casual leave and 8 paid Holidays including 4 National Holidays. Pl refer to the Act for more details.
Sick leave or leave of absence on account of sickness is governed by ESI or left to the discretion of the Management.