Srisailam :
Srisailam is the shrine of Lord Mallikarjuna on the flat top of Nallamala Hills in Andhra Pradesh . Hence, statement 1 is correct .
Sri Bhramaramba Mallikarjuna Temple or Srisailam Temple is a Hindu temple dedicated to the deities Shiva and Parvati .
This temple is one of the twelve Jyotirlingas of Lord Shiva and one of the eighteen Shakti Peethas of goddess Parvati .
Shiva is worshipped as Mallikarjuna and is represented by the lingam.
Parvati is depicted as Bhramaramba .
Omkareshwar :
Omkareshwar is situated on the Mandhata hills in Madhya Pradesh (ancient name: Shivpuri ). Hence, statement 2 is correct .
River Narmada flows here around the Mandhata hill in the form of an Om which gives it the name, ' Omkareshwar '.
Omkareshwar is a Hindu temple dedicated to God Shiva .
It is one of the 12 revered Jyotirlinga shrines of Shiva.
Brihadeshwara Temple The Brihadeshwara Temple also known as Rajarajesvaram or Peruvudaiyar Kovil temple .
It is a Hindu temple dedicated to Lord Shiva .
Hence statement 3 is not correct.
It is located on the South Bank of the Kaveri river .
It was built by Tamil king Raja Raja Chola I.
It is a part of the UNESCO World Heritage site known as the great living Chola temples along with G angaikondacholapuram and Airavatesvara Temple.
It is also known as Dakshin Meru.
It is an example of Dravidian Architecture from the Chola period.