Total sales fell to 80,298 in June from 88,091 an year back.
The sharp decline in sales figures was mainly due to fall in sales of passenger car models SX4, Swift D"zire, Maruti 800 and multi utility vehicles Gypsy and Grand Vitara.
Strike at one of its factories i.e. in Manesar plant in northern Haryana state and week-long maintenance shutdowns is also one of the key reasons of fall in sales figures. That impacted the vehicle production greatly.
The company lost more than 10 production days and caused a production loss of 12,600 vehicles due to a strike at its Manesar factory.
Domestic sales decreased 3.8% to 70,020 vehicles, while exports fell 32.7% to 10,278 vehicles, the local unit of Suzuki Motor Corp. said.
Sales of its small cars rose 2.3% to 52,599 units in June. It sells eight small cars including the Alto, Alto K10, Swift, Ritz and M800. Maruti also sold 32 units of the Kizashi sedan during the month which launched in February 2011.
Tata Motors June figures fell 1% year-on-year basis to 66,358 units. It's 1% lower than June 2010.
Domestic sales number reported was 61,264, lowered by 2% over 62,602 sold in June 2010.
These figures exclude sales at its luxury Jaguar and Land Rover unit in Britain.
Tata Motors" utility vehicle sales, which include Sumo, Safari, Aria and Venture, declined 4% to 3,472 units, while the passenger cars, including Tata Motors Indica fell 9% to 8,188 units and Tata Nano sales down by 29% to 5,451 units.
Commercial vehicles sales in domestic market reported a rise i.e. in June 2011 the numbers were 39,271, 13% high than 34,791 vehicles sold in June last year.
Its exports in June rose 21% from last year to 5,094 units.
Growth in vehicle sales has been hit as several companies raised prices in January and April to offset higher raw material costs. An array of interest rate hikes by the central bank to control rising inflation also prompted potential customers to hold over purchases.