Explanation:

Only codes 2&4 are correct.

The Mahabodhi Temple or the Mahabodhi Mahavihar, a UNESCO World Heritage Site, is an ancient, but much rebuilt and restored, Buddhist temple in Bodh Gaya, marking the location where the Buddha is said to have attained enlightenment. Where as Dholavira: A Harappan City (2014) in Gujarat?.

World Heritage List in India

• At present, India has 40 World Heritage Properties.
• All the sites under the Ministry are conserved as per ASI’s Conservation Policy.
• At present, India has 42 sites listed under Tentative List which is a pre-requisite condition for inscription as World Heritage Site.
• Dholavira: A Harappan City: Known as a remarkable excavation site during the Indus Valley Civilization, Dholavira was one of the most developed cities roughly 4500 years ago. It was a flourishing Harappan site between 2650 and 1450 BCE. Presently an archaeological site in Khadirbet of Kutch Gujarat, the village is also locally known as Kotada Timba. The location not only holds evident pieces of architecture but also of the Harappan lifestyle. 
• Nomination dossiers of ‘Santiniketan, India’ and ‘Sacred Ensemble of Hoysalas’ have been submitted to UNESCO for the year 2021-22 cycle.

Hence option 4th is correct.