mctlsuc.exe is a program which is probably NOT a virus or malware. So, if mctlsuc.exe is on your system, it is probably ok, and will NOT be a cause for concern. Even if your PC is clean, we still advise you to use a good antivirus with a good detection rate, in order to yourself your system against threats.
Usually, the default name and directory where the program is stored is
C:\Program Files (x86)\BSNL 3G Data Card\Resource\MCtlSuc.exe.
The MD5 checksum for this executable is a90beda5a2fad8f9919c5d33d75e4198.
This application does NOT run as a Windows service. This is usually a good sign.
This app runs in 32-bit mode. It does not use the entire power of modern computer chips. This ordinarily happens because the makers did not bother to upgrade it to use the x64 instruction set.
A digital certificate is missing from this program. The maker did not sign it. This is probably bad.
This executable is registered to start when the PC starts. Yes
It has an uninstall routine, which is a good sign. si are uninstall.