Punjab National Bank (BSE:532461) has put up assets worth as many as 32 bad loans, with outstanding loan exposure of Rs 1,176 crore, on the block. This step has been taken by the bank in an effort to bring down its NPAs. These non-performing assets (NPA) include Hanung Toys and Textiles Limited (BSE:532770), Harbs India, United Foods, and Harman Textile.