18.   The extent of the country as reflected in the hymns of Rigveda covers?
                        
                                                          
                                  (A)  Punjab and Kashmir                              
					
                                                          
                                  (B)   Punjab; Afghanistan; Kashmir and Rajathan                              
					
                                                          
                                  (C)   Punjab; Afghanistan; Kashmir; parts of Sind; Rajputana and North-West Frontier Province                              
					
                                                          
                                  (D)   All the places mentioned in (C) and the Eastern India up to the river Sarayu