Hi,
It is mostly specified in the HR Manual or Employee handbook about the dress code.
If your company is working 6 days a week then Mon -Friday Formal dressing and saturday is casual.
If your company is working 5 days a week then mon- thursday is Formal and Friday is casual.
Formal Dressing:
Depend on company For Male
Full sleeve Light Shirt and Matching Dark trousers with Shoes.
For Women,
Salwar ,Business suit or sarees.
Casual Dressing:
Jean, T-shirt or any western Wear.(sometimes it is specified not to wear T-shirt with Comments ,Women employee not wear heavy jewllery)
warm regards,
Sangeetha