Tata Motors is in talks with Thai Rung Union Car for production of pick-up trucks in Thailand, and a deal is expected in the next 3-4 weeks."As Thailand is the largest market for pick-ups in the world outside the United States, Tata Motors is exploring ways of establishing presence in Thailand," the company said, adding it was exploring ways of establishing presence in the country.However, even as it admitted it was "In discussion with prospective partners" for possible cooperation, it refused to confirm whether a deal would be signed soon."No final decision has been taken and it would be premature to disclose any details at this stage," a company spokesman said today.However, sources familiar with the deal said a memorandum of understanding (MoU) between Tata Motors and Thai Rung is expected in the next 3-4 weeks."It will be announced soon, and actual production is likely to start from next year," they said, adding that it would begin with the Tata 207 DI Vehicle.Earlier in the day, Thai Rung - Thailand's largest pick-up truck modifier - also admitted it was in talks wih Tata Motors."We are still in the preliminary study phase, evaluating information and mutual business opportunities," Thai Rung assistant managing director Decha Chooligorn told the Stock Exchange of Thailand (SET).