This drop in import is because of less consumption during lockdown and major businesses stopping inflow due to inventory handling constraints, rather than patriotism.
Imports from every country, every sector like gold, coal, crude oil have dropped almost equally. Moreover finished electronic products, a major consumption sector was bound to slowdown with people trying to save money, so even domestic manufacturers have seen major revenue losses.
This economy wide wind down shows more of a general consumption restraint rather than a focused country specific phenomenon.