Consider the following statements with reference to two non-conventional energy sources namely 'coal-bed methane' and 'shale gas' 1. Coal-bed methane is pure methane gas extracted from coal treaties, whereas shale gas is composed of only propane and butane. It is a mixture which can be extracted from microparticle sedimentary rocks. 2. Coal bed methane sources are abundant in India, but till now no source of shale gas has been found. Which of the above statement(s) is/are correct?

• A. only 1
• B. only 2
• C. 1 and 2
• D. none of these