Complete the following sentences by using suitable words in the blanks:
1. The first Jain Tirthankara was ……
2. Vardhamana was born at ………
3. Mahaveera attained …………… in his 42nd year
4. Mahaveera attained Nirvana at ……………… in his 72nd years
5. The original name of Gautama Buddha was ………
6. Buddha delivered his first sermon at ……
7.The first sermon of Buddha is called ………