Why track employee attendance?

We need to track employee attendance to know that how many days our employees are doing work, the number of leaves took by them, the amount of overtime and such type of details we get.
The conventional methodology for following the Attendance of office representatives or retail workers is to utilize a biometric machine, which catches fingerprints of representatives. Be that as it may, with the protection laws getting to be stricter and unique mark information being classified as close to home, utilization of such machines by businesses may get prohibited. Likewise, there are different issues of moving information on a week after week premise and upkeep costs. A few workers additionally attempt to abuse the framework by punching-in on time however then go out, lingering time.