With reference to Indian history, arrange the following events in chronological order:
1. Beginning of composition of Vedas
2. Charaka
3. Settlement at Inamgaon
4. Beginning of building of megaliths
Select the correct answer using the codes given below:
1
1-4-3-2
2
4-1-3-2
3
1-2-3-4
4
4-3-1-2