Which policy recommendations have been suggested to enhance Punjab’s R&D and innovation ecosystem?

1. Increase R&D spending to 1% of GSDP in the short term, with a target of 3% in the long term.
2. Strengthen university-industry partnerships to drive applied research.
3. Develop innovation clusters linked to major universities, similar to Silicon Valley.
4. Reduce state control over higher education institutions to improve flexibility in research funding.

Which of the above statements are correct?