Shravan Mass is a whole month dedicated to the worship of Lord Shiva. People fast for an entire month to please Lord Shiva. It is believed that if a devotee keeps the fast and follows all the rituals, he or she will get a lot of blessings.
In states like Goa, Maharashtra, Andhra Pradesh, Karnataka, Gujarat and Tamil Nadu, Shravan Mass 2017 will begin on 24th July 2017 and end on 21st August 2017.
In states like Bihar, Uttar Pradesh, Punjab, Himanchal Pradesh, Madhya Pradesh and Rajasthan, Shravan Mass 2017 will begin on 10th July and end on 7th August 2017.