Read on Twitter
Thanks you @MaybeShek for your words of appreciation. I have been asked the same question by some other friends too on Twitter. If you want to start your journey in #Linguistics with light but formal & structured reading. This is the thread for you. Long list 
1/n https://twitter.com/MaybeShek/status/1322881992124497922
1/n https://twitter.com/MaybeShek/status/1322881992124497922
Start with this interesting reading on Indian languages 'Languages of India' by Gopal Haldar. 2/n https://www.amazon.com/Languages-India-Gopal-Haldar/dp/8123729367
Teach yourself some basic linguistics concepts with "Linguistics : An Introduction to Language and Communication" by Adrian Akmajian et al. 3/n https://www.amazon.com/Linguistics-Introduction-Language-Communication-Press/dp/026253326X/ref=mp_s_a_1_6?dchild=1&keywords=linguistics&qid=1604237490&sr=8-6
If you prefer to learn basic concepts of Linguistics with more Indian languages examples and perspectives, then "Modern Linguistics : an Introduction" by Verma and Krishnaswamy would be a better choice. 4/n https://www.amazon.in/Modern-Linguistics-Introduction-Verma-S-K/dp/0195623711/ref=sr_1_10?s=books&ie=UTF8&qid=1535356132&sr=1-10
Move further to study of sounds and their rules with 'An Introduction to Phonetics and Phonology' by Clark et al. 5/n https://www.amazon.com/Introduction-Phonetics-Phonology-John-Clark/dp/1405130830
Equip yourself with knowledge to analyse words and morphemes with "The Grammar of Words: An Introduction to Linguistic Morphology" by Geert Booij. 6/n https://www.amazon.com/Grammar-Words-Introduction-Linguistic-Linguistics/dp/0199691835
Amplify your knowledge of syntax i.e. how sentences are formed with the help of "Understanding Syntax" by Tallerman. 7/n https://www.amazon.com/Understanding-Syntax-Language-Maggie-Tallerman/dp/1444112058
Understand the social connections of the languages (low, high language, Black English etc.) with "An Introduction to Sociolinguistics" by Wardhaugh. 8/n https://www.amazon.com/Introduction-Sociolinguistics-Blackwell-Textbooks-Linguistics/dp/1118732294
Bring in Specialist knowledge on Dravidian languages of India with
"The Dravidian Languages" by Bh. Krishnamurti 9/n https://www.amazon.com/Dravidian-Languages-Cambridge-Language-Surveys/dp/0521025125/ref=mp_s_a_1_2?dchild=1&keywords=dravidian+languages&qid=1604241214&sprefix=dravidian+l&sr=8-2
"The Dravidian Languages" by Bh. Krishnamurti 9/n https://www.amazon.com/Dravidian-Languages-Cambridge-Language-Surveys/dp/0521025125/ref=mp_s_a_1_2?dchild=1&keywords=dravidian+languages&qid=1604241214&sprefix=dravidian+l&sr=8-2
Enrich your knowledge with in-depth comparative study of Indo-Aryan languages of India, Bangladesh, Pakistan and Nepal with "The Indo-Aryan Languages" by Cardona & Jain (Ed.) 10/n https://www.amazon.com/Indo-Aryan-Languages-Routledge-Language-Family/dp/041577294X/ref=mp_s_a_1_2?dchild=1&keywords=The+Indo-Aryan+Languages&qid=1604242301&sr=8-2
Open up your eyes to the world of Tibeto Burman languages of North East of India with the book chapter "The Tibeto-Burman Languages of Northeast India" by Post and Burling in this book. 11/n https://www.amazon.com/Sino-Tibetan-Languages-Routledge-Language-Family/dp/0700711295
Make inroads into to the amazing history of Austroasiatic languages (Munda, Santhali, Khas, Pnar, Nicobarese etc.) of India with "The Handbook of Austroasiatic Languages" by Sidwell et al. 12/n https://www.amazon.com/Handbook-Austroasiatic-Languages-Grammars-Sketches/dp/9004282955
Look back in the grandness and sophistication of Indian linguistic tradition with understanding of Paninian (Sanskrit) Linguistics with "Dimensions of Panini Grammar" by Kapoor 13/n https://www.amazon.in/Dimensions-Panini-Grammar-Indian-Grammatical/dp/8124603316
Finally understand how languages change, converge, and evolve in a linguistic area (Indian subcontinent) with "Defining a Linguistic Area: South Asia" by Masica. 14/end https://www.amazon.com/Defining-Linguistic-Area-South-Asia/dp/0226509443
