May 5 (Reuters) - Tata Motors Ltd

* Says JLR total april sales 40385, down 2.3 percent

* Says small decrease in sales in quarter as in UK, customers purchased vehicles before the increase in vehicle tax on 1st April

* Says Jaguar retail sales in April were 12,310 vehicles, up 54.0%

* Says retail sales for Land Rover in April were 28,075 vehicles, down 15.8%

* JLR investing about £3.5 billion annually to extend model range,manufacturing footprint, including investment in new plant in Slovakia

* Says sales will increase from may as all-new discovery model continues to go on sale, particularly in China and North America

* JLR retail sales for april were up 32.5% in North America , up 10.1 percent in China and up 2.7 percent in Europe , down 34.6 percent in UK year-on-year Source text for Eikon: Further company coverage: