Consider the following statements regarding recent field trials of genetically modified (GM) maize in India.
1. The trials have received approval from the Genetic Engineering Appraisal Committee (GEAC) and the Punjab government.
2. The GM maize varieties include both herbicide-tolerant and insect-resistant strains.
3. The trials aim to determine the commercial viability of GM maize for nationwide cultivation.
Which of the above statements is/are correct?