Hey as per my idea there are some Open University in India which are approved by AICTE and here I am giving you its details

AICTE
The All India Council for Technical Education (AICTE) is the statutory body and a national-level council for technical education

Here I am giving you list of Open University in India which are approved by AICTE
UP Rajarshi Tandon Open University (UPRTOU), Allahabad
Tamil Nadu Open University (TNOU), Chennai
Pt. sundarlal sharma Open University (PSSOU), Bilaspur
Uttarakhand Open University, Haldwani (Nainital)
Krishna Kanta Handiqui State Open University, Guwahati
Dr.B.R. Ambedkar Open University (BRAOU), Hyderabad
Vardhaman Mahaveer Open University (VMOU), Kota
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
Indira Gandhi National Open University (IGNOU), New Delhi,