Looking for resources about organic farming: Sikkim's Success & Challenges

I am currently exploring resources about organic farming and am particularly interested in understanding Sikkim's journey as the first fully organic state in the world. I am looking for * Success stories and challenges faced during the transition to organic farming. * Policies and strategies implemented to support organic practices. * Certification standards and frameworks used for organic produce Additionally, insights into its impact on the economy, environment, and farmers' livelihoods would be highly valuable.