India’s First Diesel Converted CNG Tractor

Current Context: Union Minister of Road Transport and Highways, Nitin Gadkari launched India's first CNG tractor.

• The first ever Diesel CNG Tractor will help the farmers to save Rs 1 lakhs annually on fuel costs.
• The Compressed Natural Gas (CNG) Tractor is jointly developed by Thane, Maharashtra based Rawmatt Techno Solutions and Tomasetto Achille India.
• This tractor is cost-effective as well as environment-friendly as it makes use of CNG, which is a clean fuel.

Question: 

Q.1 Who among the following launched India's first CNG tractor?
a. Santosh Gangwar
b. Narendra Singh Tomar
c. Piyush Goyal
d. Nitin Gadkari