Oct 20 (Reuters) - Sri Lankan shares closed lower on Thursday, dragged down by industrials and consumer staples.

* The CSE All-Share index closed 1.70% lower at 8,737.38.

* Sri Lanka aims to nearly double its tax revenue to around 15% of gross domestic product by 2026 from 8.5% now, President Ranil Wickremesinghe said on Wednesday, as his island nation attempts to find a way out of its worst economic crisis in seven decades.

* Expolanka Holdings Plc and Lanka IOC Plc were top drags for the index on Thursday, falling 4.2% and 8.3%, respectively

* Trading volume on the CSE All-Share index fell to 57.3 million shares from 83.2 million shares in the previous session.

* The equity market's turnover was 1.50 billion Sri Lankan rupees ($4.14 million), according to exchange data.

* Foreign investors were net sellers in the equity market, offloading 414.3 million rupees of shares, while domestic investors were net buyers, purchasing stocks worth 1.47 billion rupees, data showed.

* For a report on global markets, click ($1 = 362.0000 Sri Lankan rupees) (Reporting by Navamya Ganesh Acharya in Bengaluru; Editing by Shinjini Ganguli)