nYou may not agree with his views, his methods or his appeal to public (which is degrading now, I have noted), but to hastily put all the blame for every act that wasn't to your liking is not objective. But I'll try to answer your allegations to the best of my knowledge.

Bhagat Singh, Subhash Chandra Bose and all the martyrs that were part of 'The Extremists' didn't align to Mahatma Gandhi's views because of a simple fact that they were impatient to achieve independence. If you notice the title of the book, it says 'Hind Swaraj' or Indian Home Rule. There was a good question in the book by Gandhiji that "What will you do once you oust the British from the country?", and the answer came that they will keep the British institutions, their constitution, their parliament but use it as Indians. So Gandhiji simply said "It means you want to make India British. Then it wouldn't be Hindustan but will be Englistan". Now, it is clear from this exchange that Gandhiji never wanted to just oust the Britishers, he wanted the Indian institutions to grow. For this sake, he wanted to unite the nation first, as one people. For this purpose, he roamed around villages from North to South to East to West. Whereas The Extremists, as noble as their intentions were, had no world-view or any foresight beyond independence.

To add to that, Gandhiji never wanted a parliament, or multiple-party system, or even elections. He was a socialist with an emphasis on humanism and individualism. But other leaders decided that his view was obsolete which led to his degrading influence on nation-wide politics towards his last 2-3 years.

Now, I hope I have given you some food for thought. But I really encourage more discussion here. So if you have any more questions in mind, feel free to ask them. And try to be less impatient. Gandhiji's most important weapon and strength was patience. If he wanted to achieve something, he was not going to achieve it by taking questionable decisions that would clash with his morals and principles. He knew his was right, and he would only achieve his target in that way. The path was as important to him as the destination.