What did the eight lotuses on the tricolour flag designed during the Swadeshi Movement represent?

During which movement in Bengal was a tricolour flag (red, green, and yellow) designed?

Who among the following led the Swadeshi Movement at Delhi?

The Swadeshi Movement took place in India during:

Swadeshi movement failed to reach the masses of which classes?

What was the immediate cause for the launch of the Swadeshi Movement?