NEW DELHI, August 19: The wind of investments blowing all over the country may have finally touched the Northeast following the exemption of central excise duty in the region. Two cigarette giants have submitted four proposals envisaging investments worth of over Rs 400 crore, of which Rs 313 crore are proposed to be invested in Assam. Just when the gloomy investments scenario in the Northeast was about to look up, the Centre's move to exempt excise duties in the region has been challenged, with the Tobacco Institute of India, an apex body of all tobacco manufacturers, questioning the...