Chronologically arrange the following movements led by Dr. Ambedkar :
a. Chavdar Lake Agitation at Mahad
b. Burning the Text of Manusmriti
c. Satyagraha at Parvati Temple
d. Satyagraha at Kalaram Temple
1
a, b, c, d
2
b, c, d, a
3
c,d, a, b
4
d, a, b, c
5
None of the above