Sparsh Sinha's class 12 physical education project document summarizes 4 yoga asanas - Vajrasana, Hastasana, Trikonasana, and Ardhamatsyendrasana. For each asana, it provides the procedure, benefits, and contraindications. The introduction discusses how asanas can help prevent obesity and lifestyle diseases by stimulating blood circulation, balancing the nervous system, and benefiting body systems. The document includes sections on acknowledgements, certificates, and bibliography.