| Value | Category | 
                                    
                    
                        | 1 | Open | 
                                    
                    
                        | 2 | Closed | 
                                    
                    
                        | 3 | NOP | 
                                    
                    
                        | 4 | Deleted (found non-existent within 3 years) | 
                                    
                    
                        | 5 | Non-response due to closure but in existence and owner/occupier is not traceable | 
                                    
                    
                        | 6 | Non-response due to non existence now& owner not traceable | 
                                    
                    
                        | 7 | Non-response due to relevant records are with court/Income tax department etc. | 
                                    
                    
                        | 8 | Non-response due to recalcitrant/refuse to submit the return | 
                                    
                    
                        | 9 | Non-response due to factory under prosecution in respect of earlier ASI | 
                                    
                    
                        | 10 | Non-response due to other reasons | 
                                    
                    
                        | 11 | Deleted (found non-existent after more than 3 years) | 
                                    
                    
                        | 12 | Deleted due to deregistration | 
                                    
                    
                        | 13 | Deleted due to out of coverage i.e. Defence,Oil Storage, Technical | 
                                    
                    
                        | 14 | Deleted due to identical with PSL. No. | 
                                    
                    
                        | 15 | Deleted due to any other reason (Specify) | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.