Drishti Combo Of 5 Books Bharatiya Itihas Evam Kala Sanskriti & Bhartiya Samvidhan Evam Rajvyavastha, Bhugol Evam Paryavaran- Paristhitiki, Indian Economy, Samanya Vigyan Evam Prodyogiki Vigyan Prelims Practice Serie(Paperback, Hindi, Drishti)