All are correct except 1. The Shiromani Gurdwara Parbandhak   Committee(orSGPC) is an organization in India responsible for the management of gurdwaras, Sikh places of worship in three states of Punjab, Haryana,   and Himachal Pradesh and union territory of Chandigarh. SGPC also administers Harmandir Sahibin Amritsar.  In  1920,  Sikhs held  their  scheduled  meeting  and elected     a     bigger     committee consisting  of  175   members  and named     it Shiromani     Gurdwara Parbandhak Committee.

In Salt march  Peasants, Tribal and women     participated     in     large numbers.   A   business   federation published  a  pamphlet  on  the  salt issue.   The   government   tried   to crush    the    movement    through brutal    action    against    peaceful satyagrahis.  Thousands  were  sent to   jail.   Salt   march   was   widely covered by American and European media

Provincial  elections  in  British  India (1937)  under  the  Government  of India Act 1935 were held in eleven provinces, including Madras, Bihar, Orissa.  Indian  National  Congress won   in   eight   of   the   provinces except  three  i.e.  Bengal,  Punjab, and  Sindh  and  won  an  absolute majority   in   five   out   of   eleven provinces.   The   All-India   Muslim League  won  106  seats  about  80% of total Muslim seats. Untouchables were allowed to  vote.  Around 30.1 million    people,    including    4.25 million  women,  had  the  right  to vote  which  was  12%of  the  total population

Arya Samaj was an Indian religious movement  based   on   Vedas  and was     founded     by     Dayananda Saraswati on April 7, 1875 and was based in Punjab and western Uttar Pradesh     states     like,     Aligarh, Varanasi, etc.  It  was  against  caste system  and  supported  equality  of men   and   women,moreover   it mainly    comprised    the    trading castes;    while    Brahmo    Samaj, founded  by  Raja  Rammohan  Roy, was limited because it was popular only   among   elite   and   educated society.

The  Industrial  Revolution  was  the transition   to   new   manufacturing processes in the period from about 1760  to  sometime  between  1820 and  1840.  Average  life  span  of worker was 17 years.