stay at munnar allepy worth. u have eravikulam national park at munnar. ALLP has boat house and 1 day sight seeing enough. Tiruvandrum has ananthapadmanatha swamy temple kovalam beach as major attraction . apart from that MG road for all KL items purchase u can finish all in 1 day. apart from these u can considered eco village attingal tenmalai if u intersted. cape u have beach vivekananda memorial and thiruvallur statue alone. its upto u to decide its worth for ur time or not.