Tamar block is one of the twenty administrative blocks of Ranchi district, Jharkhand state, India. This block consists of one famous temple "devdi mandir" as we read in newspapers that the new cricket star Mahendra Singh Dhoni whenever comes to ranchi he must visit the temple. This temple is about 60 k.m. from ranchi on Ranchi-Jamshedpur highway. People of this area has great faith on devi "devdi" and comes from different parts of Ranchi district for fulfill their wishes. Major villages are : Tamar, parasi, Sarjomdih, mardhan, Lungtu, Sirkadih, Radgaon.
" Literacy"
" Tribe"
"Festivals and folk dances"
"Potential for industrilisation & economic growth"
Some other temples are also famous nearby to devdi mandir. These are Surya Mandir, Haradih Mandir etc. Haradih mandir and its statue is 1600AD old. Devdi mandir has got public attention and attraction after MS Dhoni's fame. MS Dhoni is hard believer of the Goddess of Devdi.