mumbai, Jan. 17 -- Reliance Industries, India's most valuable company, reported a marginal growth in its profit for the October-December quarter as a decline in its oil exploration and production vertical offset improved earnings across its other key businesses. The Mukesh Ambani-led company reported consolidated profit of Rs.22,167 crore during the quarter, up 2% compared to Rs.21,804 crore in the corresponding quarter last year. The company had reported a profit of Rs.22,146 crore during the preceding quarter. Consolidated revenue grew by 11% to Rs.2.69 trillion, while earnings before interest, tax, depreciation and amortisation (EBITDA) were up 5% to Rs.46,018 crore. The Mumbai-based company's key oil to chemicals (O2C) segment reported ...