From the digital version of the Collected Works of Mahatma Gandhi:
205. THE PUNDIT SABHA OF KASHI
When I was in Kashi, three questions were sent to me on behalf of the Kashi Pundit Sabha. I considered it my duty to answer these questions, but I did not then have time to do so. Later the questions lay in my file. I could not attend to them during my tour either. Now I am cleaning up my file. The questions are:
205. THE PUNDIT SABHA OF KASHI
When I was in Kashi, three questions were sent to me on behalf of the Kashi Pundit Sabha. I considered it my duty to answer these questions, but I did not then have time to do so. Later the questions lay in my file. I could not attend to them during my tour either. Now I am cleaning up my file. The questions are:
1. How can a sanatani Hindu who is well versed in the doctrines of sanatana dharma and accepts the Vedas and the smritis based on them as an infallible authority, contend that there is no untouchability in Hinduism or lend his support to freely mixing with untouchables, excepting on the occasions enumerated in the well-known verse: “In religious processions, marriages, emergencies, rebellions and in all festivals, contact with untouchables does not polllute”?
2. Your work is among the people of India who are predominantly sanatana dharmis and who implicitly believe in the Gita dictum: “Let the Shastras, therefore, be they authority in deciding what is to be done and what is to be shunned.” How can you then effectively carry on the work of eradicating untouchability till you have proved that this work is in conformity with the Shastras?
3. The Muslim Ulemas are firmly convinced that there is merit in killing all those who follow any religion other than Islam for they are Kaffirs, and that Muslims can mingle with them only when they accept Islam. So long as all Muslims are under the influence of these Ulemas, how can Hindus make friends with Muslims while protecting the Hindu dharma?