1) This is the temple where Lord Murugan married Valli and this temple is fifth among the six holy abodes and this temple situates near tiruttani. Answer - Tiruttanikai Murugan Temple. 
2) This temple has the tallest Murugan Idol measuring 7 Ft. Answer- Vallakottai Murugan temple.
3) This temple is known as "Place of sacred war" and situates in Tirupporur. Answer- Tirupporur Murugan temple.