Q. What is Jan Shatabdi Express/Train's??????
Ans. The Jan Shatabdi Express (literally "People's Shatabdi") is a more affordable variety of the Shatabdi Express, which has both AC and non-AC accommodation. The word 'Jan' refers to Janata (meaning 'people' in Hindi).
The Bhopal Jan Shatabdi was the first Jan Shatabdi of Central India, started operations on 2 January 2003 between Habibganj railway station of Bhopal, the capital city of Madhya Pradesh and Raipur, the capital of Chhattisgarh but was withdrawn due to poor passenger response between Bilaspur and Raipur though it received good passenger...
more...

response between Habibganj and Jabalpur. Thereon, the train journey was minimised till Jabalpur Junction.
The longest distance is covered by the Madagon Jan Shatabdi between Mumbai and Margao in Goa covering 765 km (475 mi) in 9 hours through the Konkan stretch. It is also the fastest jan shatabdi averaging above 80 km/h (50 mph).
The state of Kerala has two Jan Shatabdis from Trivandrum (Trivandrum Central) to Kozhikode(Calicut) on slightly different routes, one via coastal Alleppy and another via Kottayam.
Train No: 12075/12076 and 12082/12083 Jan Shatabdis from Thiruvananthapuram Central to Kozhikkode(Calicut) are the longest Janshatabdis each with 18 rakes pulled by WDM or WDP usually.
More About Janshatabdi Trains,
Janshatabdi Express trains by Indian Railways are a series of high speed trains. The fast moving trains connects various important cities of the country. There are several tourist places as well as business centres which passengers can reach easily via Janshatabdi Express trains. The Janshatabdi Express trains runs mainly during day time and returns back to the origin the every same day.
Below is the list of all Janshatabdi Express Trains:
05697 Lumding Lower Haflong Hill Queen Exp.
05698 Lower Haflong Lumding Hill Queen Exp.
12021 Howrah Barabil Janshatabdi Exp.
12022 Barabil Howrah Janshatabdi Exp.
12023 Howrah Patna Janshatabdi Exp.
12024 Patna Howrah Janshatabdi Exp.
12051 Mumbai Madgaon Janshatabdi Exp.
12052 Madgaon Mumbai Janshatabdi Exp.
12053 Haridwar Amritsar Janshatabdi Exp.
12054 Amritsar Haridwar Janshatabdi Exp.
12055 New Delhi Dehradun Janshatabdi Exp.
12056 Dehradun New Delhi Janshatabdi Exp.
12057 New Delhi Una Himachal Janshatabdi Exp.
12058 Una Himachal New Delhi Janshatabdi Exp.
12059 Kota H Nizamuddin Janshatabdi Exp.
12060 H Nizamuddin Kota Janshatabdi Exp.
12061 Habibganj Jabalpur Janshatabdi Exp.
12062 Jabalpur Habibganj Janshatabdi Exp.
12067 Guwahati Jorhat Town Janshatabdi Exp.
12068 Jorhat Town Guwahati Janshatabdi Exp.
12069 Raigarh Gondia Janshatabdi Exp.
12070 Gondia Raigarh Janshatabdi Exp.
12071 Mumbai Aurangabad Janshatabdi Exp.
12072 Aurangabad Mumbai Janshatabdi Exp.
12073 Howrah Bhubaneswar Janshatabdi Exp.
12074 Bhubaneswar Howrah Janshatabdi Exp.
12075 Kozhikode Trivandrum Janshatabdi Exp.
12076 Trivandrum Kozhikode Janshatabdi Exp.
12077 Chennai Vijayawada Janshatabdi Exp.
12078 Vijayawada Chennai Janshatabdi Exp.
12079 Bangalore Hubli Janshatabdi Exp.
12080 Hubli Bangalore Janshatabdi Exp.
12083 Mayiladuturai Coimbatore Janshatabdi Exp.
12084 Coimbatore Mayiladuturai Janshatabdi Exp.
12365 Patna Ranchi Janshatabdi Exp.
12366 Ranchi Patna Janshatabdi Exp.
13108 Kolkata Dhaca Cantt Maitree Express
13109 Dhaca Cantt Kolkata Maitree Express
And So On..........

@Rajkiran Randhawa ??? ?? ???? ???? ???? ??: Re# 215367-0
Thanks Rajkiran for both the write-up as well as the list. But some minor corrections.
>The first two trains whose numbers begin with 0 cannot be Jan Shatabdi Expresses and are more in the nature of SPECIAL TRAINS as their numbers suggest.
> The last two trains running between Kolkata and Dhaka...
more...

(Bangladesh) are also not Jan Shatabdi Expresses and do not feature in the list of Jan Shatabdi trains featuring on Page 65 of TAAG.
> The only omission in the list is 12081 Kozhikode-Thiruvanathapuram JS Exp and its pair 12082 Thiruvanathapuram-Kozhikode JS Exp.
That apart let me congragulate you for a job well done.