"We are in the midst of a major investment programme in MP which ends in the next 18 months. We are investing cumulatively Rs 20,000 crore... We will then re-engage," he said while addressing the Global Investors' Summit here.
Ambani also indicated that his group will invest similar amounts across sectors like energy and retail, after the present round of investments are completed.
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"Our major investment is in coal bed methane which is bringing in energy with technology. We are also investing in retail business," the RIL chief said, adding that the group provides employment opportunities to a large number of people in the state.
He said that "after a long time" India is on a resurgent path to growth.
"For me Reliance is more than business, it stands for a commitment to India. We are dedicated to making India and also MP one of the most prosperous and developed areas in the world," said Ambani, the country's richest man.
On building a world class digital infrastructure, he said that 75% work was done and it would be available by middle of 2015.
About 65 million people (of total 75 million in MP) will be connected and MP can look forward to being the digital capital of India, he added.
"To my mind digitalisation creates more jobs," he said adding, "development and progress has be inclusive... It should pull together all sections of society".