paripakvatā ke liye paristhitiyoṃ kā bandhana nahīṃ hai yaha anukūla vapratikūla donoṃ prakāra kī paristhitiyoṃ meṃ calane vālī prakriyā hai kintu sīkhane kī ghaṭanā kevala anukūla paristhitiyoṃ meṃ ho sakatī hai pratikūlaparisthitiyoṃ meṃ nahīṃ  
