New Delhi: The second day of Auto Expo 2012 witnessed the launch of new models and good number of variants, but the glitz and glamour was a bit faded compared to the opening day.

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The only Bollywood star on Friday was actress Gul Panag, who unveiled US off-road vehicles manufacturer Polaris' new products. On Thursday, an array of celebrities including Amitabh Bachchan, Katrina Kaif and John Abraham added to the glitz.

The major highlight was the country's largest two-wheeler maker Hero MotoCorp's first concept hybrid scooter. It is the first major technological breakthrough that the homegrown firm has achieved following its separation from Japanese partner Honda.

The crowded second day also saw car market leader Maruti Suzuki India foraying into the multi-purpose vehicle segment with the unveiling of seven-seater Ertiga, which will go on sale by March this year.

Auto major Tata Motors said it plans to enter new global markets such as Thailand, Myanmar, Indonesia and Bangladesh with the 'Nano' within a year, as well as launch a CNG version of the car in the domestic market.

The company also said it plans to invest Rs 3,000 crore on capacity expansion and various product development activities next fiscal.

The second day was, however, marred by poor crowd management that pushed reporters to the backseat as a stream of general public visitors flooded the venue.

Journalists, who have come here in large numbers from different parts of the world to cover one of the most prestigious trade shows in India, were visibly upset with the level of mis-management on the part of the organisers -- CII, SIAM and Automotive Component Manufacturers Association of India.

Another car-maker, General Motors, unveiled two new vehicles under the Chevrolet brand that will be launched later this year in the country.

Premium hatchback Chevrolet Sail and Chevrolet MPV Concept are the first two products from GM's joint venture with Shanghai Automotive Industry Corporation (SAIC).

Meanwhile, announcing a comeback, three-wheeler manufacturer Piaggio Vehicles today re-entered the scooter segment by introducing its iconic 'Vespa' at the 11th Auto Expo here.

On the commercial vehicle front, Asia Motor Works today announced its foray into the luxury bus segment with the unveiling of a 57-seater bus. The bus will hit Indian roads in the middle of this year.

Force Motors, too, introduced another version of its Traveller passenger vehicle, priced at Rs 11.5 lakh. It also showcased a hybrid variant of the Traveller at the auto show.