SSL Connection::It is working fine in Our Local Server. But it is not working in Production server ? ssl_connect() is Fail ? why

#include "openssl\applink.c"
    #include "openssl\bio.h"
    #include "openssl\ssl.h" 
    #include "openssl\err.h" 
    #include"main.h"
    #include<winsock2.h>
    #pragma comment(lib,"ws2_32.lib")
    main()
    {
    WSADATA wsa;
    SOCKET sock;
    struct sockaddr_in server_addr;
    char Send_BUFFER[2000]="",Recv_BUFFER[2000]="";   
    FILE *fp;
    X509 *cert;
    EVP_PKEY *pkey;	
    SSL_METHOD *meth;
    SSL_CTX *ctx=NULL;
    SSL *ssl;  	
    SSL_library_init();
    OpenSSL_add_all_algorithms();
    SSL_load_error_strings();   
    if(WSAStartup(MAKEWORD(2,2),&wsa)!= 0)  
    {
    printf("Failed. Error Code : %d",WSAGetLastError());
    return 1;
    }
    if((sock =socket(AF_INET,SOCK_STREAM,0 )) == INVALID_SOCKET)
    {
    printf("Could not create socket : %d" , WSAGetLastError());
    return 1;
    }    	
    server_addr.sin_family      = AF_INET;
    server_addr.sin_port        = htons(port);       
    server_addr.sin_addr.s_addr = inet_addr(host);
    if(connect(sock,(struct sockaddr*)&server_addr,sizeof(server_addr))==SOCKET_ERROR)
    {
    printf("Connect error");
    }	
    ssl = SSL_new(ctx);
    SSL_set_fd(ssl, sock);    
    fp=fopen(CLIENT_CERT, "r");
    if(!fp)
    {
    fprintf(stderr, "unable to open: %s\n", CLIENT_CERT);	   
    return EXIT_FAILURE;
    }
    cert = PEM_read_X509(fp, NULL, NULL, NULL);
    if(!cert) 
    {
    fprintf(stderr, "unable to parse certificate in: %s\n", CLIENT_CERT);
    fclose(fp);
    return EXIT_FAILURE;
    }
    SSL_use_certificate(ssl, cert);
    pkey = X509_get_pubkey(cert);
    SSL_CTX_use_PrivateKey(ctx, pkey);    
    if( !SSL_CTX_check_private_key( ctx ) )
    {
    ERR_print_errors_fp(stderr);
    exit(1);
    }
    if(SSL_connect(ssl)<=0)
    {
    puts("SSL Connect error");
    }	 
    SSL_write(ssl, Send_BUFFER,sizeof(Send_BUFFER));
    SSL_get_error(ssl, status);
    SSL_read(ssl, Recv_BUFFER,2000);
    puts(Recv_BUFFER);  
    closesocket(sock);   	     
    }