Upvote:0
If this source is correct, it depends on the financial value, not the quantity.
According to immihelp
Age 10 & over Age below 10
if stay abroad for more then 3 days Rs. 45,000 Rs. 17,500
if stay abroad up to 3 days Rs. 17,500 Rs. 3,000
The customs staff have a database of values, they might ignore any invoice you show.