Aaj vigyaan ke yug mein bhee patr vyavahaar ka mahattv kam nahin hua hai. hamen saamaajik athava saarvajanik jeevan mein yadakada patr likhane kee aavashyakata padatee hee rahatee hai. saamaajik evan saarvajanik patr kee aavashyakata ko mahasoos karate hue. is pustak mein saral evan vyaavahaarik hindee mein saamaajik evan saarvajanik patr vyavahaar ke un sabhee prakaar ke patron ko samaahit karane ka prayaas kiya gaya hai, jisase vyakti apane apane...