The tax would create a single market in India for the first time.
PM said he admires German leadership in clean energy and commitment to combating climate change.
India and Germany signed a deal on Monday to fast-track business approvals.
The government said on Wednesday a consensus was needed quickly to pass a business-friendly land reform law
The wholesale food index rose 2.88 per cent year-on-year.
The United States wants India to wait for a final nuclear deal between Tehran and world powers before actively engaging with Tehran.
India will be able to manage potential inflationary pressures if forecasts of sub-par monsoon
IMF MD Christine Lagarde hailed the government's latest Budget.
Deals will cover oil exploration and supply, infrastructure and an increase in direct diamond sales to India
Rajasthan has taken the lead on structural reforms which could help India attract business and employ a fast-growing workforce.
Direct contacts between Obama and Prime Minister Narendra Modi this month helped to end a deadlock that had prevented the WTO from implementing a $1 trillion package of reforms.
There was a sharp fall in power output on Thursday from a plant in Gujarat that left India more than 9,000 megawatts short of peak demand, according to two officials at the state grid operator.