Dhaka, July 3 (bdnews24.com) - The Jamaat-e-Islami has claimed that its secretary-general Ali Ahsan Mohammad Mojaheed has been named in August 21 grenade attack case on false charges.  Criminal Investigation Department (CID) inspector Samiul Basit submitted the supplementary charge sheet in the case on Sunday.  Jamaat acting secretary-general A T M Azharul Islam in a statement issued later in the  day said none of the several investigations into this case had found anything to indict Mojaheed.  "Jamaat-e-Islami had demanded proper investigation and exemplary punishment to those involved on the very day of the …