Open universities are those universities that have minimal to no entry requirements (of grade, age, etc. Open universities may employ specific teaching methods, such as open supported learning and distance learning education through apps, tv programs, CDs, study material by post, etc.

Various Open Universities in India include Indira Gandhi National Open University (IGNOU), Dr.B.R. Ambedkar Open University (BRAOU), Vardhaman Mahaveer Open University  (VMOU), Nalanda Open University (NOU) Patna, Yashwantrao Chavan Maharashtra Open University (YCMOU), Nashik, Madhya Pradesh Bhoj Open University (MPBOU), Bhopal, Dr. Babasaheb Ambedkar Open University  (BAOU), Ahmedabad, Karnataka State Open University (KSOU), Mysore, Netaji Subhas Open University (NSOU), Kolkata & more.

In the case of IGNOU, there are three start sessions in a year Jan, April, and July session. One can take admission online and select the option of study material as a soft copy(accessed online) or hard copy(will be delivered by post or can get at nearest center). Visit individual university websites for more details.

So, you can correspond with the university and be part of their distance learning program.