Regarding the eligibility criteria of NET, the following points should be considered -
1) You must have secured at least a post graduate degree securing not less than 55 percent marks from a recognised university immaterial whether it is distance mode or a regular one. For the reserved categories ie SC, ST, OBC, PWD, women candidates and Transgenders, a concession of 5 % has been allocated.
2) For the aspirants appearing for their final examination in their masters degree are eligible to apply for NET test provided their final aggregate is within the accepted limit approved for this test.
3) Ph.D holders having done their masters before 19- 9 - 91, have to undergo through the NET rout enjoying a relaxation of 5 % marks in their Masters course so as be eligible for NET but there is no such bar for the Ph.D holders having completed the same after this date and for them, they need not appear for the NET test. In this respect, the decision of the selection board would be final in respect of selection of such candidates.
4) There is no age limit for the NET aspirants to be selected as Asstt. Professor but for the aspirants interested for JRF, the upper age limit should not exceed beyond 30 years of age.
Once you pass this test, you would be eligible to be considered for the post of Asstt. Professor of the constituent college. The degree obtained through the distance mode is not likely to interfere any way in the process of your final selection provided you fulfil the other eligibility criteria.