Explanation:

During the Swadeshi Movement, Lokmanya Tilak opened cooperative stores and headed the Swadeshi Wastu Pracharini Sabha.

The Swadeshi Movement:
The Swadeshi Movement was a socio-political movement that emerged during the Indian independence struggle against British colonial rule. It aimed to promote indigenous industries and products as a means to reduce dependence on imported foreign goods.

Lokmanya Tilak:
Lokmanya Bal Gangadhar Tilak, popularly known as Lokmanya Tilak, was a prominent leader of the Indian independence movement. He played a crucial role in the Swadeshi Movement and was one of the key figures who advocated for self-reliance and economic independence during that time.

Opening Cooperative Stores:
As part of the Swadeshi Movement, Lokmanya Tilak encouraged the establishment of cooperative stores. These stores were created to promote the consumption of locally produced goods and to boycott imported foreign goods, particularly British goods. The cooperative stores provided a platform for Indian products to be sold and consumed, thereby supporting indigenous industries and artisans.

Heading the Swadeshi Wastu Pracharini Sabha:
Lokmanya Tilak also took the lead in heading the Swadeshi Wastu Pracharini Sabha. This organization was established to spread awareness about the importance of using Indian-made goods and to promote swadeshi (indigenous) products. The Sabha organized various campaigns, public meetings, and lectures to educate people about the economic and political significance of supporting Indian industries.

Conclusion:
Lokmanya Tilak actively participated in the Swadeshi Movement and played a crucial role in promoting indigenous industries and products. He opened cooperative stores to encourage the consumption of Indian-made goods and headed the Swadeshi Wastu Pracharini Sabha to spread awareness and mobilize public support for the cause. His efforts were instrumental in fostering a sense of economic independence and self-reliance during the struggle for Indian independence.