KARACHI - The Karachi Chambers of Commerce and Industry has given the 48 hours deadline to the government for withdrawal of recent increase in the gas tariff and threatened to close all the textile industrial units under protest. The Business community of the metropolis at a meeting hosted by Karachi Chambers of Commerce and Industry on Saturday also expressed its complete solidarity with the textile units of Faisalabad.   The meeting was attended by all the representatives of associations of textile and other industries of the city. During meeting the industrialists wore black bands on their arms in protest while black flags were hoisted on the building of the KCCI. In the meeting, the representatives of various industries criticized the government over increase in gas tariff, imposition of withholding tax on electricity bills and abolition of Research and Development funds for textile industries and stressed their leaders for immediate announcement of closing of industrial units in Karachi. A five-member committee formed in the meeting which will hold dialogue with government on the contentious issues of gas tariff, electricity tariff, withholding tax and R & D. The committee headed by KCCI president Shamim Shamsi while Zubair Motiwala, Nisar Shakhani, Jawed Bilwani and Muzamil Hussain were inducted as member.    Siraj Kassam Teli-leader of business community of Karachi and former president of KCCI while addressing the meeting said, "We want to share in the development of Pakistan but politics being played with economy of the country by the rulers". It was decided in the meeting that all the industrial units would go on strike but the units whose' ships were loaded or stand by with export goods exempted for strike, said the leaders the business community. The leaders of business community seemed confused on the strategy as they announced strike of industrial units without mentioning time frame while same time they also formed a committee for dialogue with government. There is further price hikes in gas tariff were on the cards as government which had been mentioned in its reply against a petition filed in apex court, Zubair Motiwala, leading businessman pointed out and said, adding that 40pc industrial units have already close due to out of reach of doing of business cost.   Iqbal Ebrahim Chairman All Pakistan Textile Mills Association opposed the strike call and advocated for adoption of policy of dialogue. He said government was in touch with APTMA and assured for bringing the gas prices on rational level. He was of the view that a formula should be adopted in hike in gas tariff on permanent basis. Shamim Ahmed Shamsi president KCCI and others demanded for Research and Development Support Facility across the board without discrimination and termed that R&D facility was not a subsidy but a compensation of duties and taxes paid by exporters and industry in the chain of production.