- District: Thiruvannamalai
- Taluk: Kalasapakkam
- Significance: Sacred place where 27 Stars (Nakshathirangal) worshipped. Self Manifested (சுயம்பு).
- Town / Village Name: Elathur, Mottur, Birthstar Temple.
- Temple Location & Route Details: Located in Thiruvannamalai to Vellore Road 5 Kilo Meters from Kalasapakkam.
- Nearby Town / Taluk: Polur is in 12 KM away.
- Temple Name: Valli Devasena Sametha Suyambu Siva Subramaniya Swamy Temple.
- Moolavar (Presiding Deity): Suyambu Siva Subramanyar
- Ambal (Consort): Valli Devasena
- Uthsavar (Processional Deity): —Siva Subramaniyar
- Other Shrines:
- Sri Vinayagar
- Sri Idumban
- Navagraham
- Anjaneyar
- Dhandayudhapani
- Kasi Viswanathar
- Visalakshi
- Bairavar
- Durgai
- Battucaves Murugar
- Consecration / Historical Era: Believed to be over 1000 years old.
- If Shiva Temple: Agamic / Vaidika / Other
- If Perumal Temple: Pancharatra / Vaikhanasa
- Key Specialty / Antiquity: 13 Kirthigai, Thai Poosam, Panguni Utthram, Car Festival (தேர் திருவிழா), Kantha Shashti, Sacred bathing ritual of deity (On English New Years day)
- Sthala Vriksham (Sacred Trees):Vilva Tree, Peepal Tree
- Theertham / Temple Tank / Garden / Goshala / Bhajan Hall / Other Details:
- Temple Tank: Brahma Theertham, Siva Gangai
- Temple Tank: Soorya Pushkarani Theertham
- Garden: Chandra Pushkarni Garden
- Ancient Sub-temples: —No.
- HR&CE / Managing Trustee / Private: HR&CE Management
- If HR&CE, Governing Officer: Assistant Commissioner / Joint Commissioner / Deputy Commissioner / Other
- Priest Classification: Sivachariyar / Bhattacharyar / Other Brahmin / Other: Sivachaiyar
- Priest / Caretaker Name & Details: —N. Sundaramurthy Gurukkal, 9487229930.
- Daily Puja by:
- Daily Puja Schedule: —Morning: — 8 to 12| Evening: —4-6
- Temple Timings: Morning: — 7 to 12| Evening: —4-6:30
- Sthala Puranam (Temple Legend): —27 Stars and Brahmma worshipped, also Murugarn worshipped daily in this sacred place. 27 Stars remedial measures to eliminate negative effects.
- Temple without jewelry/ornaments?: —Yes
- Is there an Agraharam?: Yes / No
- Number of Brahmin families: —5 Families
- Families owning homes here but residing elsewhere: —One
- Native villagers serving in temples elsewhere: —6. Chandra Sekara Gurukkal, Sankara Gurukkal, Jayakumar Gurukkal, Mutthukumara Swamy Gurukkal, Pasupathy Gurukkal, Sundharamurthy Gurukkal.
- Bus / Rail / Other Transit Options:
- Polur-Sengam Route.
- If Non-HR&CE, Temple Lands / Groves / Other Income: —
- River / Lake / Pond Details in the Village: —
- Other Notes: