The company, which had five models in top-10 selling cars in 2014-15, saw compact model Celerio enter the list at the seventh position in 2015-16.
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Besides, volume share of the company in top-10 models has shot up to 73% with six of its models accounting for 10,29,639 units out of a total of 14,19,768 units sold in the fiscal.
The company's volume share in top 10 stood at 68% in 2014-15 with sales of 9,12,415 units.
As per the data, the company's Alto, Dzire, Swift and WagonR were the first, second, third and fourth biggest selling models during the fiscal.
The company sold 2,63,422 units of Alto during 2015-16 compared with 2,64,492 units in 2014-15.
It was followed by compact sedan Dzire, with 2,34,242 units sold. The company had sold 2,10,649 units of the sedan in 2014-15.
Compact hatchback Swift continued to hold on to the third position during the fiscal with 1,95,043 units. Swift sales stood at 2,01,338 units in the previous fiscal.
Wagon R with 1,69,555 units sold during the last fiscal, retains the fourth position in passenger car segment. MSI had sold 1,61,250 units of the hatchback in 2014-15.
Its compact model Celerio also made it to the top 10 for the first time. It stood at 7th position with sales of 87,428 units during the fiscal.
It dislodged Hyundai's compact car Eon from the seventh position. MSI's van Omni retained its ninth position with sale of 79,949 units in 2015-16. It had sold 74,686 units in 2014-15.
Rival Hyundai's two models -- Grand i10 and Elite i20 also made it to the top ten list. Grand i10 sold 1,26,181 units during the fiscal. I20 stood at sixth position with 1,04,841 unit sales during the 2015-16 fiscal.
Mahindra's SUV Bolero stood at 8th position with 81,559 units while Honda Cars mid-sized sedan City stood at 10th slot during the fiscal with 77,548 units.