'Hindustan Socialist Republican Army' was founded in the year

One of the founder leaders of Hindustan Socialist Republican Army was-

The Hindustan Republican Association was founded at –

In the year 1928, where Hindustan Socialist Republican Association was established in–

Hindustan Socialist Republican Association was formed by:

Which of the following was/were the founder member(s) of Hindustan Socialist Republican Army established in September, 1928? 1. Bhagat Singh 2. Jatindranath 3. Ajoy Ghosh 4. Phanindranath Ghosh