Tata Motors’ margins were under pressure during 2007-08 due to rising interest rates, increase in input prices and constraints in availability of vehicle financing from outside sources. Net profit showed a marginal rise of 6 per cent at Rs 2028.9 crore during the year ended March 2008 as against Rs 1,913.4 crore in the previous year. M&M last quarter net down 6.3%MUMBAI: Mahindra & Mahindra registered a 6.3 per cent decline in Q4 profits at Rs 221.1 crore against Rs 236 crore in the same period of last year. However, gross revenue in Q4 increased 15.1 per cent at Rs 3,654 crore. Tractor price hike inevitable: M&M MUMBAI: M&M has indicated that a further hike in tractor prices seemed inevitable as input costs show no signs of coming down. “We see another 10-12 per cent rise in input costs, including steel prices, this year,” M&M president (farm equipment sector) Anjanikumar Choudhari said here. The rise in input costs forced M&M to increase tractor prices by Rs 15,000-Rs 16,000 a unit last year, he added. While the domestic tractor industry saw a decline of 5.1 per cent in sales, M&M reformed only slightly better registering a 4.7 per cent fall in 2007-08.