1. The Indian government owns Bharat Sanchar Nigam Limited, also referred to as BSNL, which provides telecom services. It is directly under the Department of Telecommunications within the Ministry of Communications of the Government of India. On October 1st, 2000, the Indian government formally established BSNL. The organization's chief executive, acknowledged as its chairman and managing director, is either a central government civil servant from the Indian Communication Finance Service department or a central government engineer from the Indian Telecommunications Service cadre. In all of India, BSNL provides calling and internet solutions through its massive telecom network. It is the biggest Govt-owned wireless telecommunications company in the country.
2. For any BSNL recharge, you can completely rely on MobiKwik, one of India's largest digital payment platforms. With MobiKwik, not only do you get a swift payment experience but also various lucrative rewards without paying any hidden charges.

These are a few of the famous BSNL unlimited calls plan Tamilnadu:

1. With this BSNL unlimited voice calls plan Tamilnadu, you can take advantage of unlimited phone calls, including MTNL roaming in Delhi and Mumbai, unlimited data with a 40 Kbps speed limitation after 0.5 GB per day and free PRBT services.
2. Calls: You will receive unlimited local and STD calls.
3. Data: You will receive 500MB of 4G data per day.
4. Validity: The plan is valid for 20 days.

1. This BSNL unlimited Talktime plans Tamilnadu includes 10 GB of data and BSNL Music in addition to unlimited STD and local calls to any network within the New Delhi and Mumbai MTNL Network Roaming zones and while traveling far outside your home LSA.
2. Calls: Get unlimited local and STD calls.
3. Data: You will receive 10GB of 4G data per day.
4. Validity: The plan is valid for 30 days.

1. Get unlimited local/STD Calls to any network while in Home LSA and National Roaming, along with the New Delhi and Mumbai MTNL Network Roaming region, along with 1 GB of data per day and BSNL Music Services, with this BSNL unlimited voice call plans TamilNadu.
2. Calls: Enjoy unlimited Local/STD calling.
3. Data: You will get 1GB of 4G data per day.
4. Validity: The plan lasts for 28 days.

1. In this BSNL prepaid voice plans Tamilnadu, get unlimited local/STD calls to any network when in Home LSA and National Roaming, including the New Delhi and Mumbai MTNL Network Roaming area and 2 GB of data per day and BSNL Music services.
2. Calls: You will get unlimited Local/STD calls
3. Data: You will get 2GB of 4G data per day.
4. Validity: The plan lasts for 28 days.
5. SMS: 100 local and national SMS per day.

1. With these BSNL unlimited plans Tamilnadu, you can take full advantage of unlimited local/STD calls to any network while in Home LSA and National Roaming, including the New Delhi and Mumbai MTNL Network Roaming area. Moreover, you get unlimited internet with a 40 kbps speed limit after 1 GB of data each day and BSNL Music + ErosNow entertainment services.
2. Calls: Unlimited Local/STD calls have been included.
3. Data: You will receive 1GB of 4G data each day.
4. Validity: The plan is valid for the next 56 days.
5. SMS: 100 SMS per day, including local and national.

1. Now enjoy unlimited calling including roaming across Mumbai and Delhi. In the MTNL zones of Mumbai and Delhi, unlimited data with a 40 Kbps speed cap after 2 GB per day and 100 SMS per day are also offered. With this BSNL prepaid plan in TamilNadu, you may further access BSNL music and EROS NOW entertainment services.
2. Calls: Unlimited local/STD calls are included.
3. Data: You will receive 2GB of 4G data each day.
4. Validity: The 56-day duration of the plan.
5. SMS: 100 SMS per day, local and national.