OK lets start here:
ronyahmed86 is already negative trusted as a bounty cheater.
Here we see shozib12 and Razib13 applying for the
same bounty in which alt accounts are not allowed:
Looking at Razib13's
address, we see a series of transaction between the different accounts that were made just minutes apart, which suggests they are alt accounts:

Here we see several different accounts making transfers to the same
mexc deposit address:

Because of the previous connections, and once again, the closeness between the transactions, it is safe to assume that these are all alt accounts. Proof that asif26 (already tagged) and Merkel90 are alt accounts:
List of untagged connected accounts:
shozib12Sihab77Razib13Codir64yellow king12Also connected but am not tagging for now:
Navy LxiFight0177mehedi5047Boss4200Akb551Door06Quick590