Train can be made to leave at 13:00 PM and made to reach Kottayam at 14:15 PM (PF-5) next day (in that case it can cover interiror MH and KA in daytime and KL in daytime) - which is only train from Kerala to Belgavi (3 hour turnaround time)
Return it could leave at 17:30 PM at PF-05 the following day and can arrive in Pune at 19:30 PM the next day