Carmaker Mahindra & Mahindra (M&M) today said it would increase prices of all its car models, except for Logan, in a range of Rs 1,000-10,000.The company has, however, kept its entry-level sedan Mahindra Renault Logan out of the purview of the price rise."We have increased the prices across all models, except Logan, from January 1. The price hike has been necessitated due to increasing raw material prices," a company spokesperson said.Various carmakers, including Maruti Suzuki and Hyundai Motors, had earlier said that they would raise prices due to escalating raw material costs.Mahindra today launched a limited edition variant of its multi-utility vehicle (MUV) Bolero, priced at Rs 5.98 lakh (ex-showroom, Delhi).The company intends to sell 1,000 units of the limited edition Bolero in the country.