Earned Leaves: If an employee works for 240 days in the preceeding year he is eligilble to get 15 days of EL
Casual Leaves : 12 days per Annum
Sick Leaves: 12 days per Annum if they are not covered under ESI Act.
As per Factories Act in AP
Employee has to work for 240 days in the preceeding year to get eligibility for Earned leaves and eligible for 1 day EL for every 20 days of working.